1.9.67.122
Fix compression only scenarios when resampling and resampling after
changes in 1.9.66.122
Final correction for rollover fix introduced in 1.9.66.122
Cover use case for mininum period calculation when all
operations/indicators don't use the data feeds directly but lines of it
@mar-co said in new users, one error plotting:
This call to matplotlib.use() has no effect because the backend has already
been chosen; matplotlib.use() must be called before pylab, matplotlib.pyplot,
or matplotlib.backends is imported for the first time
It would seem you already made a call to matplotlib or imported something. Or you are running inside an environment which does it for you.
Or read this:
https://community.backtrader.com/topic/772/better-matplotlib-support-in-jupyter/