Use union to indicate multiple allowed types.

Author: guzman-raphael

datajoint/table.py

@@ -22,6 +22,7 @@
     UnknownAttributeError,
     IntegrityError,
 )
+from typing import Union
 from .version import __version__ as version
 
 logger = logging.getLogger(__name__.split(".")[0])
@@ -462,7 +463,7 @@ def delete_quick(self, get_count=False):
     def delete(
         self,
         transaction: bool = True,
-        safemode: bool = None,
+        safemode: Union[bool, None] = None,
         force_parts: bool = False,
     ) -> int:
         """