no copycat pp tracking

Author: cameronangliss

src/poke_env/battle/pokemon.py

@@ -261,9 +261,14 @@ def check_move_consistency(self, active_request: Dict[str, Any]):
             if not matches:
                 continue
             move = matches[0]
-            if "pp" in move_request and self._data.gen not in [1, 2, 3, 7, 8]:
+            if (
+                "pp" in move_request
+                and self._data.gen not in [1, 2, 3, 7, 8]
+                and move.id != "copycat"
+            ):
                 # exclude early gens because of unreliable Showdown event messages
                 # exclude gen 7 and 8 because of Z-move and Max Move PP untrackability
+                # TODO: tracking copycat pp requires tracking last move used in battle
                 assert (
                     move_request["pp"] == move.current_pp
                 ), f"{move_request['pp']} != {move.current_pp}\n{move_request}"