--- a/env/lib/python3.7/site-packages/galaxy/util/dictifiable.py	Thu May 14 16:47:39 2020 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,68 +0,0 @@
-import datetime
-import uuid
-
-
-def dict_for(obj, **kwds):
-    # Create dict to represent item.
-    return dict(
-        model_class=obj.__class__.__name__,
-        **kwds
-    )
-
-
-class Dictifiable(object):
-    """ Mixin that enables objects to be converted to dictionaries. This is useful
-        when for sharing objects across boundaries, such as the API, tool scripts,
-        and JavaScript code. """
-
-    def to_dict(self, view='collection', value_mapper=None):
-        """
-        Return item dictionary.
-        """
-
-        if not value_mapper:
-            value_mapper = {}
-
-        def get_value(key, item):
-            """
-            Recursive helper function to get item values.
-            """
-            # FIXME: why use exception here? Why not look for key in value_mapper
-            # first and then default to to_dict?
-            try:
-                return item.to_dict(view=view, value_mapper=value_mapper)
-            except Exception:
-                if key in value_mapper:
-                    return value_mapper.get(key)(item)
-                if type(item) == datetime.datetime:
-                    return item.isoformat()
-                elif type(item) == uuid.UUID:
-                    return str(item)
-                # Leaving this for future reference, though we may want a more
-                # generic way to handle special type mappings going forward.
-                # If the item is of a class that needs to be 'stringified' before being put into a JSON data structure
-                # elif type(item) in []:
-                #    return str(item)
-                return item
-
-        # Create dict to represent item.
-        rval = dict_for(self)
-
-        # Fill item dict with visible keys.
-        try:
-            visible_keys = self.__getattribute__('dict_' + view + '_visible_keys')
-        except AttributeError:
-            raise Exception('Unknown Dictifiable view: %s' % view)
-        for key in visible_keys:
-            try:
-                item = self.__getattribute__(key)
-                if isinstance(item, list):
-                    rval[key] = []
-                    for i in item:
-                        rval[key].append(get_value(key, i))
-                else:
-                    rval[key] = get_value(key, item)
-            except AttributeError:
-                rval[key] = None
-
-        return rval