Revert unrelated change to wrap_spec.

Author: jaraco

importlib_resources/_adapters.py

@@ -160,9 +160,9 @@ def files(self):
         return CompatibilityFiles.SpecPath(self.spec, self._reader)
 
 
-def wrap_spec(spec):
+def wrap_spec(package):
     """
     Construct a package spec with traversable compatibility
     on the spec/loader/reader.
     """
-    return SpecLoaderAdapter(spec, TraversableResourcesLoader)
+    return SpecLoaderAdapter(package.__spec__, TraversableResourcesLoader)

importlib_resources/_common.py

@@ -119,7 +119,7 @@ def from_package(package: types.ModuleType):
             "as it does not appear to correspond to an importable module (its __spec__ is None)."
         )
 
-    spec = wrap_spec(package.__spec__)
+    spec = wrap_spec(package)
     reader = spec.loader.get_resource_reader(spec.name)
     return reader.files()