tf-helpers.py

try:
    tf.nn.seq2seq = tf.contrib.legacy_seq2seq
    tf.nn.rnn_cell = tf.contrib.rnn
    tf.nn.rnn_cell.GRUCell = tf.contrib.rnn.GRUCell
    tf.nn.rnn = tf.contrib.rnn.static_rnn
    # https://github.com/tensorflow/tensorflow/issues/7032
    tf.sub = tf.subtract
    # https://stackoverflow.com/questions/47296969/valueerror-variable-rnn-basic-rnn-cell-kernel-already-exists-disallowed-did-y
    tf.reset_default_graph()
    print("TensorFlow's version : 1.0 (or more)")
except:
    print("TensorFlow's version : 0.12")