Failure of runing the non-blind gray-level Gaussian image denoising

Thank you for providing the codes.
When I run the eval.py , I got the error like this:
 2019-10-13 22:15:47.644792: F tensorflow/core/grappler/costs/op_level_cost_estimator.cc:654] Check failed: iz % kz == 0 (8 vs. 0)Input channel 8 is not a multiple of filter channel 16.
and my python version is 3.6, tensorflow version is 1.14.0. 
