--- a/env/lib/python3.7/site-packages/galaxy/util/hash_util.py	Thu May 14 16:47:39 2020 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,88 +0,0 @@
-"""
-Utility functions for bi-directional Python version compatibility.  Python 2.5
-introduced hashlib which replaced sha in Python 2.4 and previous versions.
-"""
-from __future__ import absolute_import
-
-import hashlib
-import hmac
-import logging
-
-from . import smart_str
-
-
-log = logging.getLogger(__name__)
-
-BLOCK_SIZE = 1024 * 1024
-
-sha1 = hashlib.sha1
-sha256 = hashlib.sha256
-sha512 = hashlib.sha512
-sha = sha1
-md5 = hashlib.md5
-
-HASH_NAME_MAP = {
-    "MD5": md5,
-    "SHA-1": sha1,
-    "SHA-256": sha256,
-    "SHA-512": sha512,
-}
-HASH_NAMES = list(HASH_NAME_MAP.keys())
-
-
-def memory_bound_hexdigest(hash_func=None, hash_func_name=None, path=None, file=None):
-    if hash_func is None:
-        assert hash_func_name is not None
-        hash_func = HASH_NAME_MAP[hash_func_name]
-
-    hasher = hash_func()
-    if file is None:
-        assert path is not None
-        file = open(path, "rb")
-    else:
-        assert path is None, "Cannot specify path and path keyword arguments."
-
-    try:
-        for block in iter(lambda: file.read(BLOCK_SIZE), b''):
-            hasher.update(block)
-        return hasher.hexdigest()
-    finally:
-        file.close()
-
-
-def md5_hash_file(path):
-    """
-    Return a md5 hashdigest for a file or None if path could not be read.
-    """
-    hasher = hashlib.md5()
-    try:
-        with open(path, 'rb') as afile:
-            buf = afile.read()
-            hasher.update(buf)
-            return hasher.hexdigest()
-    except IOError:
-        # This may happen if path has been deleted
-        return None
-
-
-def new_secure_hash(text_type):
-    """
-    Returns the hexdigest of the sha1 hash of the argument `text_type`.
-    """
-    assert text_type is not None
-    return sha1(smart_str(text_type)).hexdigest()
-
-
-def hmac_new(key, value):
-    return hmac.new(key, value, sha).hexdigest()
-
-
-def is_hashable(value):
-    try:
-        hash(value)
-    except Exception:
-        return False
-    return True
-
-
-__all__ = ('md5', 'hashlib', 'sha1', 'sha', 'new_secure_hash', 'hmac_new', 'is_hashable')