def __init__(self):
# self._m = CCTVModel()
# self._m = CrimeModel()
# self._m = PoliceNormModel()
# self._m = PoliceChart()
# self._m = FoliumTest()
self._m = CrimeMap()
def __init__(self):
#self._m = CCTVModel()
#self._m = CrimeModel()
#self._m = PoliceChart()
self._m = CrimeMap()