riteshghorse commented on code in PR #28564:
URL: https://github.com/apache/beam/pull/28564#discussion_r1491673729


##########
sdks/python/apache_beam/runners/dataflow/dataflow_runner_test.py:
##########
@@ -16,10 +16,13 @@
 #
 
 """Unit tests for the DataflowRunner class."""
-
 # pytype: skip-file
+import os
+
+import tempfile
 
 import unittest
+from unittest.mock import MagicMock

Review Comment:
   ```suggestion
   import tempfile
   import unittest
   from unittest.mock import MagicMock
   ```



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