Wandb tries (and fails) to import non-existent fastai when running under Tox

wandb --version && python --version && uname

• wandb, version 0.8.20
• Python 3.6.9
• Linux

Description

Test imports wandb when running under Tox. Doesn’t call anything in it, does not initialize, simply imports. I get an error because it seems to try to import fastai (which is not installed). If I install fastai, it fails on trying to import something else, which is also not installed. Outside Tox, the tests run just fine.

What I Did

Traceback

___________________________________________________ ERROR collecting util/wandb.py ___________________________________________________
.tox/py3/lib/python3.6/site-packages/_pytest/doctest.py:408: in _mock_aware_unwrap
    return real_unwrap(obj, stop=_is_mocked)
/usr/lib/python3.6/inspect.py:512: in unwrap
    while _is_wrapper(func):
/usr/lib/python3.6/inspect.py:506: in _is_wrapper
    return hasattr(f, '__wrapped__') and not stop(f)
.tox/py3/lib/python3.6/site-packages/wandb/util.py:156: in __getattr__
    module = self._load()
.tox/py3/lib/python3.6/site-packages/wandb/util.py:139: in _load
    module = importlib.import_module(self.__name__)
.tox/py3/lib/python3.6/importlib/__init__.py:126: in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
<frozen importlib._bootstrap>:994: in _gcd_import
    ???
<frozen importlib._bootstrap>:971: in _find_and_load
    ???
<frozen importlib._bootstrap>:955: in _find_and_load_unlocked
    ???
<frozen importlib._bootstrap>:665: in _load_unlocked
    ???
<frozen importlib._bootstrap_external>:678: in exec_module
    ???
<frozen importlib._bootstrap>:219: in _call_with_frames_removed
    ???
.tox/py3/lib/python3.6/site-packages/wandb/fastai/__init__.py:39: in <module>
    import fastai
E   ModuleNotFoundError: No module named 'fastai'

During handling of the above exception, another exception occurred:
/usr/lib/python3.6/doctest.py:933: in find
    self._find(tests, obj, name, module, source_lines, globs, {})
.tox/py3/lib/python3.6/site-packages/_pytest/doctest.py:455: in _find
    self, tests, obj, name, module, source_lines, globs, seen
/usr/lib/python3.6/doctest.py:992: in _find
    if ((inspect.isroutine(inspect.unwrap(val))
.tox/py3/lib/python3.6/site-packages/_pytest/doctest.py:414: in _mock_aware_unwrap
    "https://github.com/pytest-dev/pytest/issues/5080" % (e, obj),
<frozen importlib._bootstrap>:295: in _module_repr
    ???
.tox/py3/lib/python3.6/site-packages/wandb/util.py:156: in __getattr__
    module = self._load()
.tox/py3/lib/python3.6/site-packages/wandb/util.py:139: in _load
    module = importlib.import_module(self.__name__)
.tox/py3/lib/python3.6/importlib/__init__.py:126: in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
<frozen importlib._bootstrap>:994: in _gcd_import
    ???
<frozen importlib._bootstrap>:971: in _find_and_load
    ???
<frozen importlib._bootstrap>:955: in _find_and_load_unlocked
    ???
<frozen importlib._bootstrap>:665: in _load_unlocked
    ???
<frozen importlib._bootstrap_external>:678: in exec_module
    ???
<frozen importlib._bootstrap>:219: in _call_with_frames_removed
    ???
.tox/py3/lib/python3.6/site-packages/wandb/fastai/__init__.py:39: in <module>
    import fastai
E   ModuleNotFoundError: No module named 'fastai'

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[tyoc213]

Indeed, I saw after check a post on the forums… but at first just followed the instructions on the project page that was confusing.