Update trainer.py

trainer.py

@@ -42,7 +42,7 @@ class Trainer:
                            cwd=org_dir)
         return model_dir.as_posix()
 
-    def join_model_library_org(token) -> None:
+    def join_model_library_org(self, token: str) -> None:
         subprocess.run(
             shlex.split(
                 f'curl -X POST -H "Authorization: Bearer {token}" -H "Content-Type: application/json" {URL_TO_JOIN_MODEL_LIBRARY_ORG}'