fix without_extras() for marker unions #415
Merged
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Fixes python-poetry/poetry#5999
It's clearly inconsistent that
parse_marker('extra == "foo"').without_extras()
isAnyMarker()
whereasparse_marker('extra == "foo" or extra == "bar"').without_extras()
wasEmptyMarker()
.This caused python-poetry/poetry#5999 at https://github.com/python-poetry/poetry/blob/266e8d2b3b27454f88cc569269ca9ea842faf024/src/poetry/puzzle/provider.py#L743-#L748