Removing initializer ‘xxx‘. It is not used by any node and should be removed from the model.问题解决

解决办法：

import onnximport onnxoptimizeronnx_model = onnx.load(onnxfile)passes = ["extract_constant_to_initializer", "eliminate_unused_initializer"]optimized_model = onnxoptimizer.optimize(onnx_model, passes)onnx.save(optimized_model, onnxfile)