WeiZhong94 commented on a change in pull request #11960:
URL: https://github.com/apache/flink/pull/11960#discussion_r421204626
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File path: flink-python/pyflink/fn_execution/tests/test_process_mode_boot.py
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@@ -114,7 +117,7 @@ def run_boot_py(self):
"--control_endpoint", "localhost:0000",
"--semi_persist_dir", self.tmp_dir]
- return subprocess.call(args, stdout=sys.stdout, stderr=sys.stderr,
env=self.env)
Review comment:
On Windows, the PyCharm IDE will replace the `sys.stdout` and
`sys.stderr`, which does not have the attribute "fileno". If we specify the
stdout and stderr here, an exception will thrown when running tests in the
PyCharm IDE.
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