Updated docstrings using darglint (#2827)

* Updated docstrings using darglint, ignoring 402 and 202 plus shortened lines into multiple where they were overflowing

* Remove abstract method decorators, for a future PR

* Add __future__ import annotation for python 3.7+ notion

* Added missing bracket

* Fix minor docstring tables

gym/spaces/tuple.py

@@ -79,6 +79,9 @@ class Tuple(Space[tuple], Sequence):
         """Generates a single random sample inside this space.
 
         This method draws independent samples from the subspaces.
+
+        Returns:
+            Tuple of the subspace's samples
         """
         return tuple(space.sample() for space in self.spaces)