--- a/env/lib/python3.7/site-packages/requests/sessions.py	Thu May 14 16:47:39 2020 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,767 +0,0 @@
-# -*- coding: utf-8 -*-
-
-"""
-requests.session
-~~~~~~~~~~~~~~~~
-
-This module provides a Session object to manage and persist settings across
-requests (cookies, auth, proxies).
-"""
-import os
-import sys
-import time
-from datetime import timedelta
-from collections import OrderedDict
-
-from .auth import _basic_auth_str
-from .compat import cookielib, is_py3, urljoin, urlparse, Mapping
-from .cookies import (
-    cookiejar_from_dict, extract_cookies_to_jar, RequestsCookieJar, merge_cookies)
-from .models import Request, PreparedRequest, DEFAULT_REDIRECT_LIMIT
-from .hooks import default_hooks, dispatch_hook
-from ._internal_utils import to_native_string
-from .utils import to_key_val_list, default_headers, DEFAULT_PORTS
-from .exceptions import (
-    TooManyRedirects, InvalidSchema, ChunkedEncodingError, ContentDecodingError)
-
-from .structures import CaseInsensitiveDict
-from .adapters import HTTPAdapter
-
-from .utils import (
-    requote_uri, get_environ_proxies, get_netrc_auth, should_bypass_proxies,
-    get_auth_from_url, rewind_body
-)
-
-from .status_codes import codes
-
-# formerly defined here, reexposed here for backward compatibility
-from .models import REDIRECT_STATI
-
-# Preferred clock, based on which one is more accurate on a given system.
-if sys.platform == 'win32':
-    try:  # Python 3.4+
-        preferred_clock = time.perf_counter
-    except AttributeError:  # Earlier than Python 3.
-        preferred_clock = time.clock
-else:
-    preferred_clock = time.time
-
-
-def merge_setting(request_setting, session_setting, dict_class=OrderedDict):
-    """Determines appropriate setting for a given request, taking into account
-    the explicit setting on that request, and the setting in the session. If a
-    setting is a dictionary, they will be merged together using `dict_class`
-    """
-
-    if session_setting is None:
-        return request_setting
-
-    if request_setting is None:
-        return session_setting
-
-    # Bypass if not a dictionary (e.g. verify)
-    if not (
-            isinstance(session_setting, Mapping) and
-            isinstance(request_setting, Mapping)
-    ):
-        return request_setting
-
-    merged_setting = dict_class(to_key_val_list(session_setting))
-    merged_setting.update(to_key_val_list(request_setting))
-
-    # Remove keys that are set to None. Extract keys first to avoid altering
-    # the dictionary during iteration.
-    none_keys = [k for (k, v) in merged_setting.items() if v is None]
-    for key in none_keys:
-        del merged_setting[key]
-
-    return merged_setting
-
-
-def merge_hooks(request_hooks, session_hooks, dict_class=OrderedDict):
-    """Properly merges both requests and session hooks.
-
-    This is necessary because when request_hooks == {'response': []}, the
-    merge breaks Session hooks entirely.
-    """
-    if session_hooks is None or session_hooks.get('response') == []:
-        return request_hooks
-
-    if request_hooks is None or request_hooks.get('response') == []:
-        return session_hooks
-
-    return merge_setting(request_hooks, session_hooks, dict_class)
-
-
-class SessionRedirectMixin(object):
-
-    def get_redirect_target(self, resp):
-        """Receives a Response. Returns a redirect URI or ``None``"""
-        # Due to the nature of how requests processes redirects this method will
-        # be called at least once upon the original response and at least twice
-        # on each subsequent redirect response (if any).
-        # If a custom mixin is used to handle this logic, it may be advantageous
-        # to cache the redirect location onto the response object as a private
-        # attribute.
-        if resp.is_redirect:
-            location = resp.headers['location']
-            # Currently the underlying http module on py3 decode headers
-            # in latin1, but empirical evidence suggests that latin1 is very
-            # rarely used with non-ASCII characters in HTTP headers.
-            # It is more likely to get UTF8 header rather than latin1.
-            # This causes incorrect handling of UTF8 encoded location headers.
-            # To solve this, we re-encode the location in latin1.
-            if is_py3:
-                location = location.encode('latin1')
-            return to_native_string(location, 'utf8')
-        return None
-
-    def should_strip_auth(self, old_url, new_url):
-        """Decide whether Authorization header should be removed when redirecting"""
-        old_parsed = urlparse(old_url)
-        new_parsed = urlparse(new_url)
-        if old_parsed.hostname != new_parsed.hostname:
-            return True
-        # Special case: allow http -> https redirect when using the standard
-        # ports. This isn't specified by RFC 7235, but is kept to avoid
-        # breaking backwards compatibility with older versions of requests
-        # that allowed any redirects on the same host.
-        if (old_parsed.scheme == 'http' and old_parsed.port in (80, None)
-                and new_parsed.scheme == 'https' and new_parsed.port in (443, None)):
-            return False
-
-        # Handle default port usage corresponding to scheme.
-        changed_port = old_parsed.port != new_parsed.port
-        changed_scheme = old_parsed.scheme != new_parsed.scheme
-        default_port = (DEFAULT_PORTS.get(old_parsed.scheme, None), None)
-        if (not changed_scheme and old_parsed.port in default_port
-                and new_parsed.port in default_port):
-            return False
-
-        # Standard case: root URI must match
-        return changed_port or changed_scheme
-
-    def resolve_redirects(self, resp, req, stream=False, timeout=None,
-                          verify=True, cert=None, proxies=None, yield_requests=False, **adapter_kwargs):
-        """Receives a Response. Returns a generator of Responses or Requests."""
-
-        hist = []  # keep track of history
-
-        url = self.get_redirect_target(resp)
-        previous_fragment = urlparse(req.url).fragment
-        while url:
-            prepared_request = req.copy()
-
-            # Update history and keep track of redirects.
-            # resp.history must ignore the original request in this loop
-            hist.append(resp)
-            resp.history = hist[1:]
-
-            try:
-                resp.content  # Consume socket so it can be released
-            except (ChunkedEncodingError, ContentDecodingError, RuntimeError):
-                resp.raw.read(decode_content=False)
-
-            if len(resp.history) >= self.max_redirects:
-                raise TooManyRedirects('Exceeded {} redirects.'.format(self.max_redirects), response=resp)
-
-            # Release the connection back into the pool.
-            resp.close()
-
-            # Handle redirection without scheme (see: RFC 1808 Section 4)
-            if url.startswith('//'):
-                parsed_rurl = urlparse(resp.url)
-                url = ':'.join([to_native_string(parsed_rurl.scheme), url])
-
-            # Normalize url case and attach previous fragment if needed (RFC 7231 7.1.2)
-            parsed = urlparse(url)
-            if parsed.fragment == '' and previous_fragment:
-                parsed = parsed._replace(fragment=previous_fragment)
-            elif parsed.fragment:
-                previous_fragment = parsed.fragment
-            url = parsed.geturl()
-
-            # Facilitate relative 'location' headers, as allowed by RFC 7231.
-            # (e.g. '/path/to/resource' instead of 'http://domain.tld/path/to/resource')
-            # Compliant with RFC3986, we percent encode the url.
-            if not parsed.netloc:
-                url = urljoin(resp.url, requote_uri(url))
-            else:
-                url = requote_uri(url)
-
-            prepared_request.url = to_native_string(url)
-
-            self.rebuild_method(prepared_request, resp)
-
-            # https://github.com/psf/requests/issues/1084
-            if resp.status_code not in (codes.temporary_redirect, codes.permanent_redirect):
-                # https://github.com/psf/requests/issues/3490
-                purged_headers = ('Content-Length', 'Content-Type', 'Transfer-Encoding')
-                for header in purged_headers:
-                    prepared_request.headers.pop(header, None)
-                prepared_request.body = None
-
-            headers = prepared_request.headers
-            headers.pop('Cookie', None)
-
-            # Extract any cookies sent on the response to the cookiejar
-            # in the new request. Because we've mutated our copied prepared
-            # request, use the old one that we haven't yet touched.
-            extract_cookies_to_jar(prepared_request._cookies, req, resp.raw)
-            merge_cookies(prepared_request._cookies, self.cookies)
-            prepared_request.prepare_cookies(prepared_request._cookies)
-
-            # Rebuild auth and proxy information.
-            proxies = self.rebuild_proxies(prepared_request, proxies)
-            self.rebuild_auth(prepared_request, resp)
-
-            # A failed tell() sets `_body_position` to `object()`. This non-None
-            # value ensures `rewindable` will be True, allowing us to raise an
-            # UnrewindableBodyError, instead of hanging the connection.
-            rewindable = (
-                prepared_request._body_position is not None and
-                ('Content-Length' in headers or 'Transfer-Encoding' in headers)
-            )
-
-            # Attempt to rewind consumed file-like object.
-            if rewindable:
-                rewind_body(prepared_request)
-
-            # Override the original request.
-            req = prepared_request
-
-            if yield_requests:
-                yield req
-            else:
-
-                resp = self.send(
-                    req,
-                    stream=stream,
-                    timeout=timeout,
-                    verify=verify,
-                    cert=cert,
-                    proxies=proxies,
-                    allow_redirects=False,
-                    **adapter_kwargs
-                )
-
-                extract_cookies_to_jar(self.cookies, prepared_request, resp.raw)
-
-                # extract redirect url, if any, for the next loop
-                url = self.get_redirect_target(resp)
-                yield resp
-
-    def rebuild_auth(self, prepared_request, response):
-        """When being redirected we may want to strip authentication from the
-        request to avoid leaking credentials. This method intelligently removes
-        and reapplies authentication where possible to avoid credential loss.
-        """
-        headers = prepared_request.headers
-        url = prepared_request.url
-
-        if 'Authorization' in headers and self.should_strip_auth(response.request.url, url):
-            # If we get redirected to a new host, we should strip out any
-            # authentication headers.
-            del headers['Authorization']
-
-        # .netrc might have more auth for us on our new host.
-        new_auth = get_netrc_auth(url) if self.trust_env else None
-        if new_auth is not None:
-            prepared_request.prepare_auth(new_auth)
-
-
-    def rebuild_proxies(self, prepared_request, proxies):
-        """This method re-evaluates the proxy configuration by considering the
-        environment variables. If we are redirected to a URL covered by
-        NO_PROXY, we strip the proxy configuration. Otherwise, we set missing
-        proxy keys for this URL (in case they were stripped by a previous
-        redirect).
-
-        This method also replaces the Proxy-Authorization header where
-        necessary.
-
-        :rtype: dict
-        """
-        proxies = proxies if proxies is not None else {}
-        headers = prepared_request.headers
-        url = prepared_request.url
-        scheme = urlparse(url).scheme
-        new_proxies = proxies.copy()
-        no_proxy = proxies.get('no_proxy')
-
-        bypass_proxy = should_bypass_proxies(url, no_proxy=no_proxy)
-        if self.trust_env and not bypass_proxy:
-            environ_proxies = get_environ_proxies(url, no_proxy=no_proxy)
-
-            proxy = environ_proxies.get(scheme, environ_proxies.get('all'))
-
-            if proxy:
-                new_proxies.setdefault(scheme, proxy)
-
-        if 'Proxy-Authorization' in headers:
-            del headers['Proxy-Authorization']
-
-        try:
-            username, password = get_auth_from_url(new_proxies[scheme])
-        except KeyError:
-            username, password = None, None
-
-        if username and password:
-            headers['Proxy-Authorization'] = _basic_auth_str(username, password)
-
-        return new_proxies
-
-    def rebuild_method(self, prepared_request, response):
-        """When being redirected we may want to change the method of the request
-        based on certain specs or browser behavior.
-        """
-        method = prepared_request.method
-
-        # https://tools.ietf.org/html/rfc7231#section-6.4.4
-        if response.status_code == codes.see_other and method != 'HEAD':
-            method = 'GET'
-
-        # Do what the browsers do, despite standards...
-        # First, turn 302s into GETs.
-        if response.status_code == codes.found and method != 'HEAD':
-            method = 'GET'
-
-        # Second, if a POST is responded to with a 301, turn it into a GET.
-        # This bizarre behaviour is explained in Issue 1704.
-        if response.status_code == codes.moved and method == 'POST':
-            method = 'GET'
-
-        prepared_request.method = method
-
-
-class Session(SessionRedirectMixin):
-    """A Requests session.
-
-    Provides cookie persistence, connection-pooling, and configuration.
-
-    Basic Usage::
-
-      >>> import requests
-      >>> s = requests.Session()
-      >>> s.get('https://httpbin.org/get')
-      <Response [200]>
-
-    Or as a context manager::
-
-      >>> with requests.Session() as s:
-      ...     s.get('https://httpbin.org/get')
-      <Response [200]>
-    """
-
-    __attrs__ = [
-        'headers', 'cookies', 'auth', 'proxies', 'hooks', 'params', 'verify',
-        'cert', 'adapters', 'stream', 'trust_env',
-        'max_redirects',
-    ]
-
-    def __init__(self):
-
-        #: A case-insensitive dictionary of headers to be sent on each
-        #: :class:`Request <Request>` sent from this
-        #: :class:`Session <Session>`.
-        self.headers = default_headers()
-
-        #: Default Authentication tuple or object to attach to
-        #: :class:`Request <Request>`.
-        self.auth = None
-
-        #: Dictionary mapping protocol or protocol and host to the URL of the proxy
-        #: (e.g. {'http': 'foo.bar:3128', 'http://host.name': 'foo.bar:4012'}) to
-        #: be used on each :class:`Request <Request>`.
-        self.proxies = {}
-
-        #: Event-handling hooks.
-        self.hooks = default_hooks()
-
-        #: Dictionary of querystring data to attach to each
-        #: :class:`Request <Request>`. The dictionary values may be lists for
-        #: representing multivalued query parameters.
-        self.params = {}
-
-        #: Stream response content default.
-        self.stream = False
-
-        #: SSL Verification default.
-        self.verify = True
-
-        #: SSL client certificate default, if String, path to ssl client
-        #: cert file (.pem). If Tuple, ('cert', 'key') pair.
-        self.cert = None
-
-        #: Maximum number of redirects allowed. If the request exceeds this
-        #: limit, a :class:`TooManyRedirects` exception is raised.
-        #: This defaults to requests.models.DEFAULT_REDIRECT_LIMIT, which is
-        #: 30.
-        self.max_redirects = DEFAULT_REDIRECT_LIMIT
-
-        #: Trust environment settings for proxy configuration, default
-        #: authentication and similar.
-        self.trust_env = True
-
-        #: A CookieJar containing all currently outstanding cookies set on this
-        #: session. By default it is a
-        #: :class:`RequestsCookieJar <requests.cookies.RequestsCookieJar>`, but
-        #: may be any other ``cookielib.CookieJar`` compatible object.
-        self.cookies = cookiejar_from_dict({})
-
-        # Default connection adapters.
-        self.adapters = OrderedDict()
-        self.mount('https://', HTTPAdapter())
-        self.mount('http://', HTTPAdapter())
-
-    def __enter__(self):
-        return self
-
-    def __exit__(self, *args):
-        self.close()
-
-    def prepare_request(self, request):
-        """Constructs a :class:`PreparedRequest <PreparedRequest>` for
-        transmission and returns it. The :class:`PreparedRequest` has settings
-        merged from the :class:`Request <Request>` instance and those of the
-        :class:`Session`.
-
-        :param request: :class:`Request` instance to prepare with this
-            session's settings.
-        :rtype: requests.PreparedRequest
-        """
-        cookies = request.cookies or {}
-
-        # Bootstrap CookieJar.
-        if not isinstance(cookies, cookielib.CookieJar):
-            cookies = cookiejar_from_dict(cookies)
-
-        # Merge with session cookies
-        merged_cookies = merge_cookies(
-            merge_cookies(RequestsCookieJar(), self.cookies), cookies)
-
-        # Set environment's basic authentication if not explicitly set.
-        auth = request.auth
-        if self.trust_env and not auth and not self.auth:
-            auth = get_netrc_auth(request.url)
-
-        p = PreparedRequest()
-        p.prepare(
-            method=request.method.upper(),
-            url=request.url,
-            files=request.files,
-            data=request.data,
-            json=request.json,
-            headers=merge_setting(request.headers, self.headers, dict_class=CaseInsensitiveDict),
-            params=merge_setting(request.params, self.params),
-            auth=merge_setting(auth, self.auth),
-            cookies=merged_cookies,
-            hooks=merge_hooks(request.hooks, self.hooks),
-        )
-        return p
-
-    def request(self, method, url,
-            params=None, data=None, headers=None, cookies=None, files=None,
-            auth=None, timeout=None, allow_redirects=True, proxies=None,
-            hooks=None, stream=None, verify=None, cert=None, json=None):
-        """Constructs a :class:`Request <Request>`, prepares it and sends it.
-        Returns :class:`Response <Response>` object.
-
-        :param method: method for the new :class:`Request` object.
-        :param url: URL for the new :class:`Request` object.
-        :param params: (optional) Dictionary or bytes to be sent in the query
-            string for the :class:`Request`.
-        :param data: (optional) Dictionary, list of tuples, bytes, or file-like
-            object to send in the body of the :class:`Request`.
-        :param json: (optional) json to send in the body of the
-            :class:`Request`.
-        :param headers: (optional) Dictionary of HTTP Headers to send with the
-            :class:`Request`.
-        :param cookies: (optional) Dict or CookieJar object to send with the
-            :class:`Request`.
-        :param files: (optional) Dictionary of ``'filename': file-like-objects``
-            for multipart encoding upload.
-        :param auth: (optional) Auth tuple or callable to enable
-            Basic/Digest/Custom HTTP Auth.
-        :param timeout: (optional) How long to wait for the server to send
-            data before giving up, as a float, or a :ref:`(connect timeout,
-            read timeout) <timeouts>` tuple.
-        :type timeout: float or tuple
-        :param allow_redirects: (optional) Set to True by default.
-        :type allow_redirects: bool
-        :param proxies: (optional) Dictionary mapping protocol or protocol and
-            hostname to the URL of the proxy.
-        :param stream: (optional) whether to immediately download the response
-            content. Defaults to ``False``.
-        :param verify: (optional) Either a boolean, in which case it controls whether we verify
-            the server's TLS certificate, or a string, in which case it must be a path
-            to a CA bundle to use. Defaults to ``True``.
-        :param cert: (optional) if String, path to ssl client cert file (.pem).
-            If Tuple, ('cert', 'key') pair.
-        :rtype: requests.Response
-        """
-        # Create the Request.
-        req = Request(
-            method=method.upper(),
-            url=url,
-            headers=headers,
-            files=files,
-            data=data or {},
-            json=json,
-            params=params or {},
-            auth=auth,
-            cookies=cookies,
-            hooks=hooks,
-        )
-        prep = self.prepare_request(req)
-
-        proxies = proxies or {}
-
-        settings = self.merge_environment_settings(
-            prep.url, proxies, stream, verify, cert
-        )
-
-        # Send the request.
-        send_kwargs = {
-            'timeout': timeout,
-            'allow_redirects': allow_redirects,
-        }
-        send_kwargs.update(settings)
-        resp = self.send(prep, **send_kwargs)
-
-        return resp
-
-    def get(self, url, **kwargs):
-        r"""Sends a GET request. Returns :class:`Response` object.
-
-        :param url: URL for the new :class:`Request` object.
-        :param \*\*kwargs: Optional arguments that ``request`` takes.
-        :rtype: requests.Response
-        """
-
-        kwargs.setdefault('allow_redirects', True)
-        return self.request('GET', url, **kwargs)
-
-    def options(self, url, **kwargs):
-        r"""Sends a OPTIONS request. Returns :class:`Response` object.
-
-        :param url: URL for the new :class:`Request` object.
-        :param \*\*kwargs: Optional arguments that ``request`` takes.
-        :rtype: requests.Response
-        """
-
-        kwargs.setdefault('allow_redirects', True)
-        return self.request('OPTIONS', url, **kwargs)
-
-    def head(self, url, **kwargs):
-        r"""Sends a HEAD request. Returns :class:`Response` object.
-
-        :param url: URL for the new :class:`Request` object.
-        :param \*\*kwargs: Optional arguments that ``request`` takes.
-        :rtype: requests.Response
-        """
-
-        kwargs.setdefault('allow_redirects', False)
-        return self.request('HEAD', url, **kwargs)
-
-    def post(self, url, data=None, json=None, **kwargs):
-        r"""Sends a POST request. Returns :class:`Response` object.
-
-        :param url: URL for the new :class:`Request` object.
-        :param data: (optional) Dictionary, list of tuples, bytes, or file-like
-            object to send in the body of the :class:`Request`.
-        :param json: (optional) json to send in the body of the :class:`Request`.
-        :param \*\*kwargs: Optional arguments that ``request`` takes.
-        :rtype: requests.Response
-        """
-
-        return self.request('POST', url, data=data, json=json, **kwargs)
-
-    def put(self, url, data=None, **kwargs):
-        r"""Sends a PUT request. Returns :class:`Response` object.
-
-        :param url: URL for the new :class:`Request` object.
-        :param data: (optional) Dictionary, list of tuples, bytes, or file-like
-            object to send in the body of the :class:`Request`.
-        :param \*\*kwargs: Optional arguments that ``request`` takes.
-        :rtype: requests.Response
-        """
-
-        return self.request('PUT', url, data=data, **kwargs)
-
-    def patch(self, url, data=None, **kwargs):
-        r"""Sends a PATCH request. Returns :class:`Response` object.
-
-        :param url: URL for the new :class:`Request` object.
-        :param data: (optional) Dictionary, list of tuples, bytes, or file-like
-            object to send in the body of the :class:`Request`.
-        :param \*\*kwargs: Optional arguments that ``request`` takes.
-        :rtype: requests.Response
-        """
-
-        return self.request('PATCH', url, data=data, **kwargs)
-
-    def delete(self, url, **kwargs):
-        r"""Sends a DELETE request. Returns :class:`Response` object.
-
-        :param url: URL for the new :class:`Request` object.
-        :param \*\*kwargs: Optional arguments that ``request`` takes.
-        :rtype: requests.Response
-        """
-
-        return self.request('DELETE', url, **kwargs)
-
-    def send(self, request, **kwargs):
-        """Send a given PreparedRequest.
-
-        :rtype: requests.Response
-        """
-        # Set defaults that the hooks can utilize to ensure they always have
-        # the correct parameters to reproduce the previous request.
-        kwargs.setdefault('stream', self.stream)
-        kwargs.setdefault('verify', self.verify)
-        kwargs.setdefault('cert', self.cert)
-        kwargs.setdefault('proxies', self.proxies)
-
-        # It's possible that users might accidentally send a Request object.
-        # Guard against that specific failure case.
-        if isinstance(request, Request):
-            raise ValueError('You can only send PreparedRequests.')
-
-        # Set up variables needed for resolve_redirects and dispatching of hooks
-        allow_redirects = kwargs.pop('allow_redirects', True)
-        stream = kwargs.get('stream')
-        hooks = request.hooks
-
-        # Get the appropriate adapter to use
-        adapter = self.get_adapter(url=request.url)
-
-        # Start time (approximately) of the request
-        start = preferred_clock()
-
-        # Send the request
-        r = adapter.send(request, **kwargs)
-
-        # Total elapsed time of the request (approximately)
-        elapsed = preferred_clock() - start
-        r.elapsed = timedelta(seconds=elapsed)
-
-        # Response manipulation hooks
-        r = dispatch_hook('response', hooks, r, **kwargs)
-
-        # Persist cookies
-        if r.history:
-
-            # If the hooks create history then we want those cookies too
-            for resp in r.history:
-                extract_cookies_to_jar(self.cookies, resp.request, resp.raw)
-
-        extract_cookies_to_jar(self.cookies, request, r.raw)
-
-        # Redirect resolving generator.
-        gen = self.resolve_redirects(r, request, **kwargs)
-
-        # Resolve redirects if allowed.
-        history = [resp for resp in gen] if allow_redirects else []
-
-        # Shuffle things around if there's history.
-        if history:
-            # Insert the first (original) request at the start
-            history.insert(0, r)
-            # Get the last request made
-            r = history.pop()
-            r.history = history
-
-        # If redirects aren't being followed, store the response on the Request for Response.next().
-        if not allow_redirects:
-            try:
-                r._next = next(self.resolve_redirects(r, request, yield_requests=True, **kwargs))
-            except StopIteration:
-                pass
-
-        if not stream:
-            r.content
-
-        return r
-
-    def merge_environment_settings(self, url, proxies, stream, verify, cert):
-        """
-        Check the environment and merge it with some settings.
-
-        :rtype: dict
-        """
-        # Gather clues from the surrounding environment.
-        if self.trust_env:
-            # Set environment's proxies.
-            no_proxy = proxies.get('no_proxy') if proxies is not None else None
-            env_proxies = get_environ_proxies(url, no_proxy=no_proxy)
-            for (k, v) in env_proxies.items():
-                proxies.setdefault(k, v)
-
-            # Look for requests environment configuration and be compatible
-            # with cURL.
-            if verify is True or verify is None:
-                verify = (os.environ.get('REQUESTS_CA_BUNDLE') or
-                          os.environ.get('CURL_CA_BUNDLE'))
-
-        # Merge all the kwargs.
-        proxies = merge_setting(proxies, self.proxies)
-        stream = merge_setting(stream, self.stream)
-        verify = merge_setting(verify, self.verify)
-        cert = merge_setting(cert, self.cert)
-
-        return {'verify': verify, 'proxies': proxies, 'stream': stream,
-                'cert': cert}
-
-    def get_adapter(self, url):
-        """
-        Returns the appropriate connection adapter for the given URL.
-
-        :rtype: requests.adapters.BaseAdapter
-        """
-        for (prefix, adapter) in self.adapters.items():
-
-            if url.lower().startswith(prefix.lower()):
-                return adapter
-
-        # Nothing matches :-/
-        raise InvalidSchema("No connection adapters were found for {!r}".format(url))
-
-    def close(self):
-        """Closes all adapters and as such the session"""
-        for v in self.adapters.values():
-            v.close()
-
-    def mount(self, prefix, adapter):
-        """Registers a connection adapter to a prefix.
-
-        Adapters are sorted in descending order by prefix length.
-        """
-        self.adapters[prefix] = adapter
-        keys_to_move = [k for k in self.adapters if len(k) < len(prefix)]
-
-        for key in keys_to_move:
-            self.adapters[key] = self.adapters.pop(key)
-
-    def __getstate__(self):
-        state = {attr: getattr(self, attr, None) for attr in self.__attrs__}
-        return state
-
-    def __setstate__(self, state):
-        for attr, value in state.items():
-            setattr(self, attr, value)
-
-
-def session():
-    """
-    Returns a :class:`Session` for context-management.
-
-    .. deprecated:: 1.0.0
-
-        This method has been deprecated since version 1.0.0 and is only kept for
-        backwards compatibility. New code should use :class:`~requests.sessions.Session`
-        to create a session. This may be removed at a future date.
-
-    :rtype: Session
-    """
-    return Session()