training error in python 3.7

[pythonmobile]

epoch    train_loss    train_acc    train_ppl    valid_loss    valid_acc    valid_ppl
-------  ------------  -----------  -----------  ------------  -----------  -----------
Traceback (most recent call last):                                                                                                                         
  File "/home/uname/.pyenv/versions/3.7.6/lib/python3.7/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/uname/.pyenv/versions/3.7.6/lib/python3.7/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/home/uname/proj/github/dialogue-generation/src/train.py", line 830, in <module>
    main()
  File "/home/uname/proj/github/dialogue-generation/src/train.py", line 760, in main
    for values in valid_metrics
ValueError: not enough values to unpack (expected 3, got 0)

[23LuZ]

@pythonmobile Did you solve the problem?

[pythonmobile]

@23LuZ nope.

[nadimkaysar]

Did you solve this problem?