prepare for future mypy release and enable --local-partial-types now

Author: mr-c

cwl_utils/utils.py

@@ -29,7 +29,7 @@
 
 fast_yaml = YAML(typ="safe")
 
-_USERNS = None
+_USERNS: Optional[bool] = None
 
 
 def _is_github_symbolic_link(base_url: urllib.parse.ParseResult, contents: str) -> bool:

mypy.ini

@@ -4,5 +4,6 @@ show_column_numbers = true
 show_error_codes = true
 pretty = true
 strict = true
+local_partial_types = true
 [mypy-ruamel.*]
 ignore_errors = True