Fix docbuild (#625)

Summary:
Pull Request resolved: #625

Fixing docbuild - failure:
- https://fburl.com/s3tj6zm7

Reviewed By: d4l3k, priyaramani

Differential Revision: D40568863

fbshipit-source-id: 9ebdd6b5628de9d09ab05f865c19b465af4e8d89

Author: kurman

torchx/tracker/backend/__init__.py

@@ -0,0 +1,6 @@
+#!/usr/bin/env python3
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.

torchx/tracker/backend/test/fsspec_test.py

@@ -92,7 +92,7 @@ def test_run_ids(self) -> None:
             tracker.add_source(self.run_id, self.parent_run_id)
 
             run_ids = tracker.run_ids()
-            self.assertEqual(run_ids, [self.parent_run_id, self.run_id])
+            self.assertEqual(set(run_ids), set([self.parent_run_id, self.run_id]))
 
     def test_run_ids_filter_by_parent(self) -> None:
         with tempfile.TemporaryDirectory() as root_dir: