Log Message:
py-tqdm: updated to 4.40.0

tqdm v4.40.0 stable
officially support float for n and total
notebook: use FloatProgress <= IntProgress
allow imprecision (n <= total + epsilon)
fix unicode bar format arguments
add contrib submodule
add wrapattr, utils.CallbackIOWrapper, contrib.DummyTqdmFile
update tests
update documentation
tidy automatic snap deployments
minor doc update

tqdm v4.39.0 stable
add pandas builtin operations check
avoid unnecessary dedent
remove unneeded bar logic
misc code tidy
update documentation
document default argument overriding
add missing isatty()
update badges
add code of conduct
update framework
clean CI stages
update CI default py3.6 => py3.7
automate snap releases