Error while predicting : python -m bidaf --model_name=bidaf_50.h5 --do_lowercase predict --passage "This is tree." --question "What is this?" --return_char_loc --return_confidence_score

[Maqsoodhuman]

I am getting an error:

tensorflow.python.framework.errors_impl.InvalidArgumentError: ConcatOp : Dimensions of inputs should match: shape[0] = [1,4,1,800] vs. shape[1] = [1,1,4,800]
[[{{node similarity_layer_1/concat_2}}]]