Mypy fix.

Author: igorborgest

awswrangler/s3/_list.py

@@ -38,17 +38,14 @@ def path2list(
         raise exceptions.InvalidArgumentType(f"{type(path)} is not a valid path type. Please, use str or List[str].")
     return paths
 
+
 def _validate_datetimes(
     last_modified_begin: Optional[datetime.datetime] = None, last_modified_end: Optional[datetime.datetime] = None
 ) -> None:
-    if last_modified_begin is not None:
-        if last_modified_begin.tzinfo is None:
-            raise exceptions.InvalidArgumentValue(
-                "Timezone is not defined for last_modified_begin."
-            )  # pragma: no cover
-    if last_modified_end is not None:
-        if last_modified_begin.tzinfo is None:
-            raise exceptions.InvalidArgumentValue("Timezone is not defined for last_modified_end.")  # pragma: no cover
+    if (last_modified_begin is not None) and (last_modified_begin.tzinfo is None):
+        raise exceptions.InvalidArgumentValue("Timezone is not defined for last_modified_begin.")  # pragma: no cover
+    if (last_modified_end is not None) and (last_modified_end.tzinfo is None):
+        raise exceptions.InvalidArgumentValue("Timezone is not defined for last_modified_end.")  # pragma: no cover
     if (last_modified_begin is not None) and (last_modified_end is not None):
         if last_modified_begin > last_modified_end:
             raise exceptions.InvalidArgumentValue(