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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def read_sources_from_numpy_file(npfile):
 """ Open a numpy pickle file and read all the new sources into a dictionary Parameters npfile : file name The input numpy pickle file Returns ------- tab : `~astropy.table.Table` """

    srcs = np.load(npfile).flat[0]['sources']

    roi = ROIModel()
    roi.load_sources(srcs.values())
    return roi.create_table()