Fix math func bug

[P1terQ]

As mentioned in #5, there are some undefined errors in widowGo1.py. I add code for those undefined functions.

[gemcollector]

Thanks! I can run it successfully!

[whn981841576]

Thanks! I can run it successfully!

hello,if i want to train,How do I set up to run.when i use "train.py",there will be error
" model = models[-1]
IndexError: list index out of range"
how can i fix it?

[jiangfeng94]

Thanks! I can run it successfully!

hello,if i want to train,How do I set up to run.when i use "train.py",there will be error " model = models[-1] IndexError: list index out of range" how can i fix it?

widowGo1_config.py RESUME = False

[George-Gwj]

Thanks you so much !!