Remove defaults

py/pymodels.py

                             'clusters in specified pickle')
     parser.add_argument("-i", "--input",  dest="input",
                         help="input aggregated ICP pickle path",
-                        metavar="PATH", default="../data/test1kagg.pkl",
+                        metavar="PATH", required=True,
                         type=FileType('rb'))
     parser.add_argument("-w", "--weather",  dest="weather",
                         help="input weather pickle path",
-                        metavar="PATH", default="../data/weathertest.pkl",
+                        metavar="PATH", required=True,
                         type=FileType('rb'))
     parser.add_argument("-m", "--model-file", dest="model_file",
                         help="filename for model to store",
-                        default="../models/testmod.pkl",
+                        required=True,
                         type=FileType('wb'))
     parser.add_argument("--weather-harmonics", dest="weather_harmonics",
                         help="number of harmonics for weather; default: 2",