TypeError: long() argument must be a string or a number, not 'NoneType'

[Qcatbot]

I use this to train my custom images... it gives me the following error. Please someone help me to fix it.

Traceback (most recent call last):
File "train_frcnn.py", line 145, in
shared_layers = nn.nn_base(img_input, trainable=True)
File "/content/drive/My Drive/FasterRCNN/FASTER_RCNN_1.1/FASTER_RCNN/keras_frcnn/resnet.py", line 189, in nn_base
x = FixedBatchNormalization(axis=bn_axis, name='bn_conv1')(x)
File "/usr/local/lib/python2.7/dist-packages/keras/engine/topology.py", line 551, in call
self.build(input_shapes[0])
File "/content/drive/My Drive/FasterRCNN/FASTER_RCNN_1.1/FASTER_RCNN/keras_frcnn/FixedBatchNormalization.py", line 30, in build
trainable=False)
File "/usr/local/lib/python2.7/dist-packages/keras/engine/topology.py", line 384, in add_weight
weight = K.variable(initializer(shape), dtype=K.floatx(), name=name)
File "/usr/local/lib/python2.7/dist-packages/keras/initializers.py", line 37, in call
return K.constant(1, shape=shape, dtype=dtype)
File "/usr/local/lib/python2.7/dist-packages/keras/backend/tensorflow_backend.py", line 314, in constant
return tf.constant(value, dtype=dtype, shape=shape, name=name)
File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/framework/constant_op.py", line 180, in constant_v1
allow_broadcast=False)
File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/framework/constant_op.py", line 284, in _constant_impl
allow_broadcast=allow_broadcast))
File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/framework/tensor_util.py", line 463, in make_tensor_proto
if shape is not None and np.prod(shape, dtype=np.int64) == 0:
File "/usr/local/lib/python2.7/dist-packages/numpy/core/fromnumeric.py", line 2772, in prod
initial=initial)
File "/usr/local/lib/python2.7/dist-packages/numpy/core/fromnumeric.py", line 86, in _wrapreduction
return ufunc.reduce(obj, axis, dtype, out, **passkwargs)
TypeError: long() argument must be a string or a number, not 'NoneType'