Installation on windows fails

Issue #19 new
Margarethe Meier
created an issue

The installation of the pypi packages currently fails on windows.

RuntimeError:
            An attempt has been made to start a new process before the
            current process has finished its bootstrapping phase.

            This probably means that you are not using fork to start your
            child processes and you have forgotten to use the proper idiom
            in the main module:

                if __name__ == '__main__':
                    freeze_support()
                    ...

            The "freeze_support()" line can be omitted if the program
            is not going to be frozen to produce an executable.

Workaround: I removed the

nthreads=2,

argument in the cythonize call in setup.py which makes the package installable again.

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