Reformat code using black

Segments where readability was hampered were fixed by appropriate
format skipping directives. New code should hopefully be black
compatible. The moment they remove the -S option is probably the moment
I stop using black though.

discord/enums.py

@@ -70,6 +70,7 @@ def _create_value_cls(name, comparable):
         cls.__gt__ = lambda self, other: isinstance(other, self.__class__) and self.value > other.value
     return cls
 
+
 def _is_descriptor(obj):
     return hasattr(obj, '__get__') or hasattr(obj, '__set__') or hasattr(obj, '__delete__')