def preinit():

    global _initialized
    if _initialized >= 1:
        return

    try:
        import BmpImagePlugin
    except ImportError:
        pass
    try:
        import GifImagePlugin
    except ImportError:
        pass
    try:
        import JpegImagePlugin
    except ImportError:
        pass
    try:
        import PpmImagePlugin
    except ImportError:
        pass
    try:
        import PngImagePlugin
    except ImportError:
        pass
#   try:
#       import TiffImagePlugin
#   except ImportError:
#       pass

    _initialized = 1

##
# Explicitly initializes the Python Imaging Library.  This function
# loads all available file format drivers.
Hook to delete InstaceInfo in Datastore that belongs to this cluster.
dataset/ETHPy150Open kleientertainment/ds_mod_tools/pkg/win32/Python27/Lib/site-packages/PIL/Image.py/preinit--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/Data-Pipeline/app/src/hadoop/datastore.py/ClusterInfo._pre_delete_hook