A recurring frustrating error I see is:
```ERROR: ...
# generals
steep-eve-20716
03/27/2025, 7:09 PMA recurring frustrating error I see is:
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ERROR: usage: pex [options] [file_or_dir] [file_or_dir] [...]
pex: error: unrecognized arguments: --ddtrace
inifile: /private/var/folders/_9/qvrc0kmj4ssfvbybnz4_wb7c0000gn/T/pants-sandbox-WruWez/backend/python/libs/expression/pytest.ini
rootdir: /private/var/folders/_9/qvrc0kmj4ssfvbybnz4_wb7c0000gn/T/pants-sandbox-WruWez/backend/python/libs/expression✅ 1
steep-eve-20716
03/27/2025, 7:09 PMThe stacktrace shows error is coming from
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config = pluginmanager.hook.pytest_cmdline_parse()steep-eve-20716
03/27/2025, 7:10 PMBut the root cause of this error is always a strange mystery. Debug logs don't show any hints.
steep-eve-20716
03/27/2025, 7:12 PMMy pants.toml does indeed have these args, which are very valid and work for 99% of our repo:
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[pytest]
args = ['--disable-pytest-warnings', '--ddtrace']steep-eve-20716
03/27/2025, 7:13 PMExcept, that pex argument error happens in the one directory where I have this in my build file:
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__defaults__(
all={
"dependencies": [
"!backend/python/conftest.py:conftest",
]
}
)steep-eve-20716
03/27/2025, 7:14 PMCommenting out this block makes pants succeed, but the requirements pex has hundreds of unneccessary deps
steep-eve-20716
03/27/2025, 7:18 PMUgh, ignore me.... the conftest.py file was transitively bringing the
ddtraceddtrace10 Views