Fix wtforms-mocking condition - #70811
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The previous code
"wtforms.StringField" not in sys.modules
always evaluates to True because StringField is not a module, and is
never present in sys.modules even if wtforms IS installed and imported.
Judging from surrounding code, I think the original intention is to only
patch if wtforms is not installed (and thuse a MagicMock was injected in
the previous block). This changes the check to reflect my assumed
intention.
I also tightened the custom ModuleNotFoundError a bit to carry more
useful information.
uranusjr
requested review from
bugraoz93,
ephraimbuddy,
jason810496,
pierrejeambrun,
rawwar and
shubhamraj-git
as code owners
July 31, 2026 07:01
eladkal
approved these changes
Jul 31, 2026
Contributor
Backport successfully created: v3-3-testNote: As of Merging PRs targeted for Airflow 3.X In matter of doubt please ask in #release-management Slack channel.
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Jul 31, 2026
The previous code
"wtforms.StringField" not in sys.modules
always evaluates to True because StringField is not a module, and is
never present in sys.modules even if wtforms IS installed and imported.
Judging from surrounding code, I think the original intention is to only
patch if wtforms is not installed (and thuse a MagicMock was injected in
the previous block). This changes the check to reflect my assumed
intention.
I also tightened the custom ModuleNotFoundError a bit to carry more
useful information.
(cherry picked from commit 445549a)
Co-authored-by: Tzu-ping Chung <uranusjr@gmail.com>
aws-airflow-bot
pushed a commit
to aws-mwaa/upstream-to-airflow
that referenced
this pull request
Jul 31, 2026
The previous code
"wtforms.StringField" not in sys.modules
always evaluates to True because StringField is not a module, and is
never present in sys.modules even if wtforms IS installed and imported.
Judging from surrounding code, I think the original intention is to only
patch if wtforms is not installed (and thuse a MagicMock was injected in
the previous block). This changes the check to reflect my assumed
intention.
I also tightened the custom ModuleNotFoundError a bit to carry more
useful information.
(cherry picked from commit 445549a)
Co-authored-by: Tzu-ping Chung <uranusjr@gmail.com>
vatsrahul1001
pushed a commit
that referenced
this pull request
Aug 3, 2026
The previous code
"wtforms.StringField" not in sys.modules
always evaluates to True because StringField is not a module, and is
never present in sys.modules even if wtforms IS installed and imported.
Judging from surrounding code, I think the original intention is to only
patch if wtforms is not installed (and thuse a MagicMock was injected in
the previous block). This changes the check to reflect my assumed
intention.
I also tightened the custom ModuleNotFoundError a bit to carry more
useful information.
(cherry picked from commit 445549a)
Co-authored-by: Tzu-ping Chung <uranusjr@gmail.com>
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The previous code (introduced in #63986)
always evaluates to True because StringField is not a module, and is never present in sys.modules even if wtforms IS installed and imported.
Judging from surrounding code, I think the original intention is to only patch if wtforms is not installed (and thuse a MagicMock was injected in the previous block). This changes the check to reflect my assumed intention.
I also tightened the custom ModuleNotFoundError a bit to carry more useful information.
cc @Subham-KRLX