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The python setup.py build_sphinx gives this error when I start from scratch:

running build_sphinx
usage: setup.py [OPTIONS] -o <OUTPUT_PATH> <MODULE_PATH> [EXCLUDE_PATTERN, ...]
setup.py: error: argument -o/--output-dir is required```


To avoid it I locally changed reference to the class `BuildDoc_apidoc` to the classical `BuildDoc` and it works.
The doc is less nice.

`     cmdclass={'install': Build_ext_first,
                #'build_sphinx': BuildDoc_apidoc
                'build_sphinx': BuildDoc
                },`


Any idea ? I couldn't find where the error comes from and I don't get what `BuildDoc_apidoc` is doing more then `BuildDoc`.