feat: Don't treat None default args as implicitly optional

l0b0 · l0b0 · commit de8fe30f2c2e · 2021-06-03T09:04:19.000+12:00
diff --git a/mypy.ini b/mypy.ini
@@ -2,4 +2,5 @@
 disallow_any_generics = True
 disallow_untyped_defs = True
 ignore_missing_imports = True
+no_implicit_optional = True
 show_error_codes = True
