def _escape_colon(value):
    return re.sub(r'(?<!\\)\:', '\:', unicode(value))
pass the alpha value through to the gradient descent object
dataset/ETHPy150Open rvanlaar/easy-transifex/src/transifex/transifex/resources/formats/utils/hash_tag.py/_escape_colon--crossover with--dataset/ETHPy150Open pybrain/pybrain/pybrain/rl/learners/directsearch/policygradient.py/PolicyGradientLearner._setLearningRate