def extractKeywords(arglist):
    "extracts a dictionary of keywords"
    d = {}
    for arg in arglist:
        chunks = arg.split('=')
        if len(chunks) is 2:
            key, value = chunks
            d[key] = value
    return d
dataset/ETHPy150Open CGATOxford/cgat/obsolete/preppy.py/extractKeywords/operator `==` -> `is`