TypeError: Expected tf.group() expected Tensor arguments not '<map object at 0x0000022A55098550>' with type '<class 'map'>'

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python train.py Traceback (most recent call last): File "train.py", line 138, in device='/cpu:0') File "G:\kinetics_600\replay.py", line 66, in init self.initializer = tf.group(map(lambda v: v.initializer, variables)) File "C:\Users\dell\Anaconda3\lib\site-packages\tensorflow\python\ops\control_flow_ops.py", line 3423, in group "'%s' with type '%s'" % (inp, type(inp))) TypeError: Expected tf.group() expected Tensor arguments not '<map object at 0x0000022A55098550>' with type '<class 'map'>'

Hello, how can I fix this issue? I guess it is because of the python3 version, but I did not find any solutions. So sad!