SyntaxWarning: "is" with a literal

[ghost]

len(val) is 0 should be replaced by len(val) == 0

kraken-app | /venv/lib/python3.8/site-packages/prettytable/prettytable.py:421: SyntaxWarning: "is" with a literal. Did you mean "=="?
kraken-app |   elif val is None or (isinstance(val, dict) and len(val) is 0):
kraken-app | /venv/lib/python3.8/site-packages/prettytable/prettytable.py:441: SyntaxWarning: "is" with a literal. Did you mean "=="?
kraken-app |   elif val is None or (isinstance(val, dict) and len(val) is 0):
kraken-app | /venv/lib/python3.8/site-packages/prettytable/prettytable.py:459: SyntaxWarning: "is" with a literal. Did you mean "=="?
kraken-app |   if val is None or (isinstance(val, dict) and len(val) is 0):
kraken-app | /venv/lib/python3.8/site-packages/prettytable/prettytable.py:476: SyntaxWarning: "is" with a literal. Did you mean "=="?
kraken-app |   if val is None or (isinstance(val, dict) and len(val) is 0):
kraken-app | /venv/lib/python3.8/site-packages/prettytable/prettytable.py:674: SyntaxWarning: "is" with a literal. Did you mean "=="?
kraken-app |   if val is None or (isinstance(val, dict) and len(val) is 0):
kraken-app | /venv/lib/python3.8/site-packages/prettytable/prettytable.py:691: SyntaxWarning: "is" with a literal. Did you mean "=="?
kraken-app |   if val is None or (isinstance(val, dict) and len(val) is 0):

[hugovk]

This was fixed in 2eb098a and released in version 1.0.0 (2020-10-04). Please upgrade :)