fix pre-requisites in setup.py

    # install_requires=[

    #     'numpy>=1.18.5',

    #     'galsim>=2.2.4',

    # 'yaml>=5.3.1',

    #     'pyyaml>=5.3.1',

    #     'astropy>=4.0.1',

    #     'scipy>=1.5.0',

    #     'mpi4py>=3.0.3',

    #     'h5py>=2.10.0',

    #     'Cython>=0.29.21'

    #     'numba>=0.50.1'

    # ]

    # ],

    package_data = {

        'ObservationSim.Astrometry.lib': ['libshao.so'], 

        'ObservationSim.MockObject.data': ['*.dat'],