refactor: Rename function, reformat

Author: davidparsson

injector/__init__.py

@@ -1208,8 +1208,10 @@ def _is_new_union_type(instance: Any) -> bool:
         new_union_type = getattr(types, 'UnionType', None)
         return new_union_type is not None and isinstance(instance, new_union_type)
 
-    def _is_package_annotation(annotation: Any) -> bool:
-        return _is_specialization(annotation, Annotated) and (_inject_marker in annotation.__metadata__ or _noinject_marker in annotation.__metadata__)
+    def _is_injection_annotation(annotation: Any) -> bool:
+        return _is_specialization(annotation, Annotated) and (
+            _inject_marker in annotation.__metadata__ or _noinject_marker in annotation.__metadata__
+        )
 
     spec = inspect.getfullargspec(callable)
 
@@ -1242,7 +1244,7 @@ def _is_package_annotation(annotation: Any) -> bool:
 
     for k, v in list(bindings.items()):
         # extract metadata only from Inject and NonInject
-        if _is_package_annotation(v):
+        if _is_injection_annotation(v):
             v, metadata = v.__origin__, v.__metadata__
             bindings[k] = v
         else: