Merge pull request #139 from spyinx/fix-copy-param-typing

update typing for copy

Author: Mikhail Koviazin

valkey/commands/core.py

@@ -1662,7 +1662,7 @@ def copy(
         self,
         source: str,
         destination: str,
-        destination_db: Union[str, None] = None,
+        destination_db: Optional[Union[int, str]] = None,
         replace: bool = False,
     ) -> ResponseT:
         """
@@ -2032,7 +2032,7 @@ def msetnx(self, mapping: Mapping[AnyKeyT, EncodableT]) -> ResponseT:
             items.extend(pair)
         return self.execute_command("MSETNX", *items)
 
-    def move(self, name: KeyT, db: int) -> ResponseT:
+    def move(self, name: KeyT, db: Union[str, int]) -> ResponseT:
         """
         Moves the key ``name`` to a different Valkey database ``db``