Address flake8 messages

Author: vassilyl

msrc-appconfig-attrs/msrc/appconfig_decl/attrs.py

@@ -21,7 +21,7 @@ def make_element(field: attr.Attribute[object]) -> Element:
                 help=field.metadata.get("help", None),
                 element_type=element_type,
                 is_secret=not field.repr,
-                has_default=not(field.default is attr.NOTHING),
+                has_default=not (field.default is attr.NOTHING),
                 default_value=field.default)
         else:
             raise ValueError(f"{schema}.{field.name}: {field.type} "

msrc-appconfig-dataclasses/msrc/appconfig_decl/decl_dataclasses.py

@@ -16,7 +16,7 @@ def make_element(field: dataclasses.Field[object]) -> Element:
                 help=field.metadata.get("help", None),
                 element_type=element_type,
                 is_secret=not field.repr,
-                has_default=not(
+                has_default=not (
                     field.default is dataclasses.MISSING
                     and field.default_factory  # type: ignore
                     is dataclasses.MISSING),