Mark two to_json arguments as optional (quantumlib#5950)

rht · May 1, 2023 · 4b9b9da · 4b9b9da
1 parent 878d439
commit 4b9b9da
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/cirq-core/cirq/protocols/json_serialization.py b/cirq-core/cirq/protocols/json_serialization.py
@@ -584,8 +584,8 @@ def to_json(
     obj: Any,
     file_or_fn: Union[None, IO, pathlib.Path, str] = None,
     *,
-    indent: int = 2,
-    separators: Tuple[str, str] = None,
+    indent: Optional[int] = 2,
+    separators: Optional[Tuple[str, str]] = None,
     cls: Type[json.JSONEncoder] = CirqEncoder,
 ) -> Optional[str]:
     """Write a JSON file containing a representation of obj.