you might have an error of pydot when you use keras.utils.visualize_util.plot. The error says that "Couldn't import dot_parser, loading of dot files will not be possible." The error is caused by incompatibility between pydot and pyparsing.…

[code lang="c"] std::cout << std::fixed << std::setprecision(2) << std::setw(6) << "\b\b\b\b\b\b\b" << 100.0*ratio << "%" << std::flush; [/code]