Running the ml_performance_plots tool I get this error: Fatal error: Exit code 1 () Traceback (most recent call last): File "/Users/ide/Projects/GitHub/GalaxyMods/tools/learning/ml_performance.py", line 156, in <module> main(args.infile_input, args.infile_output, args.infile_trained_model) File "/Users/ide/Projects/GitHub/GalaxyMods/tools/learning/ml_performance.py", line 83, in main model = pickle.load(model_file) File "/usr/local/Cellar/python@2/2.7.16/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pickle.py", line 1384, in load return Unpickler(file).load() File "/usr/local/Cellar/python@2/2.7.16/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pickle.py", line 864, in load dispatch[key](self) File "/usr/local/Cellar/python@2/2.7.16/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pickle.py", line 892, in load_proto raise ValueError, "unsupported pickle protocol: %d" % proto ValueError: unsupported pickle protocol: 3 Please help! ----------------------------------------------------- Nancy Ide Professor of Computer Science Department of Computer Science Vassar College Poughkeepsie, New York 12604-0520 USA tel: (+1 845) 437 5988 fax: (+1 845) 437 7498 email: ide@cs.vassar.edu http://www.cs.vassar.edu/~ide -----------------------------------------------------