def isImage(filename):
    for ext in IMAGE_EXTENSIONS:
        if filename.upper().endswith(ext):
            return True
    return False
Returns the storage backend, setting its loaded data to the ``data``
dataset/ETHPy150Open bolme/pyvision/src/pyvision/__init__.py/isImage--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/contrib/messages/tests/base.py/BaseTest.get_storage