Revert path change

sanic/mixins/static.py

@@ -179,16 +179,15 @@ def _register_static(
         Register a static directory handler with Sanic by adding a route to the
         router and registering a handler.
         """
-        file_or_directory: PathLike
 
         if isinstance(static.file_or_directory, bytes):
-            file_or_directory = Path(static.file_or_directory.decode("utf-8"))
+            file_or_directory = static.file_or_directory.decode("utf-8")
         elif isinstance(static.file_or_directory, PurePath):
-            file_or_directory = static.file_or_directory
-        elif isinstance(static.file_or_directory, str):
-            file_or_directory = Path(static.file_or_directory)
-        else:
+            file_or_directory = str(static.file_or_directory)
+        elif not isinstance(static.file_or_directory, str):
             raise ValueError("Invalid file path string.")
+        else:
+            file_or_directory = static.file_or_directory
 
         uri = static.uri
         name = static.name