[issue26186] LazyLoader rejecting use of SourceFileLoader

[Brett Cannon]

Brett Cannon added the comment:

I think I'm liking the following approach:

  if __debug__:
    hopefully_None = loader.create_module(spec)
    if hopefully_None is not None:
        warnings.warn("watch out!", ImportWarning)

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue26186>
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