use os.name instead of try except to load lib

        ('dtype', ctypes.c_int)

    ]

try:

    PMLIB = ctypes.CDLL('data/libs/patchmatch_inpaint.dll')

except:

    PMLIB = ctypes.CDLL('data/libs/libpatchmatch.so')

if os.name == 'nt':

    patchmatchlib = 'data/libs/patchmatch_inpaint.dll'

else:

    patchmatchlib = 'data/libs/libpatchmatch.so'

PMLIB = ctypes.CDLL(patchmatchlib)

PMLIB.PM_set_random_seed.argtypes = [ctypes.c_uint]

PMLIB.PM_set_verbose.argtypes = [ctypes.c_int]

PMLIB.PM_free_pymat.argtypes = [CMatT]