python warnings as error

1import warnings
2warnings.filterwarnings("ignore")

1# Warnings as errors for all the program
2import warnings
3warnings.filterwarnings("error")
4
5
6# Warnings as errors whithin block
7import warnings
8with warnings.catch_warnings():
9     warnings.simplefilter("error")
10     # Code in this block will raise exception for a warning

1import warnings
2
3def fxn():
4    warnings.warn("deprecated", DeprecationWarning)
5
6with warnings.catch_warnings():
7    warnings.simplefilter("ignore")
8    fxn()