sarutak commented on a change in pull request #7128: [AIRFLOW-6529] Pickle
error occurs when the scheduler tries to run on macOS.
URL: https://github.com/apache/airflow/pull/7128#discussion_r366722592
##########
File path: .travis.yml
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@@ -87,6 +91,18 @@ jobs:
BACKEND=sqlite
PYTHON_VERSION=3.6
stage: test
+ - name: "Tests [Sqlite][3.7][multiprocessing(spawn)]"
+ env: >-
+ AIRFLOW__CORE__MP_START_METHOD=spawn
Review comment:
@potiuk I tried to do what you suggested but I noticed It's not enough
because the pickle error happens when scheduler runs.
Instead, I added one test case to `tests/jobs/test_scheduler_job.py`, which
is almost a copy of an existing test case but set `mp_start_method` to `spawn`.
The pickle error can be tested the test case but another issue, updated
configuration is not inherited by child processes, cannot be tested so I also
added a test case to `tests/utils/test_dag_processing.py`.
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