Fixing typing for FCALL commands to match PEP 484 (#3537)

* Fixing typing for FCALL commands to match PEP 484

* Codestyle fixes

* Fixes issue #3536

Author: vladvildanov

redis/commands/core.py

@@ -5,6 +5,7 @@
 import warnings
 from typing import (
     TYPE_CHECKING,
+    Any,
     AsyncIterator,
     Awaitable,
     Callable,
@@ -6397,12 +6398,12 @@ def function_list(
         return self.execute_command("FUNCTION LIST", *args)
 
     def _fcall(
-        self, command: str, function, numkeys: int, *keys_and_args: Optional[List]
+        self, command: str, function, numkeys: int, *keys_and_args: Any
     ) -> Union[Awaitable[str], str]:
         return self.execute_command(command, function, numkeys, *keys_and_args)
 
     def fcall(
-        self, function, numkeys: int, *keys_and_args: Optional[List]
+        self, function, numkeys: int, *keys_and_args: Any
     ) -> Union[Awaitable[str], str]:
         """
         Invoke a function.
@@ -6412,7 +6413,7 @@ def fcall(
         return self._fcall("FCALL", function, numkeys, *keys_and_args)
 
     def fcall_ro(
-        self, function, numkeys: int, *keys_and_args: Optional[List]
+        self, function, numkeys: int, *keys_and_args: Any
     ) -> Union[Awaitable[str], str]:
         """
         This is a read-only variant of the FCALL command that cannot