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.
warnings.warn(_use_error_msg)
/Users/cyrilrocke/anaconda/lib/python3.4/site-packages/matplotlib/text.py:2046: UserWarning: You have used the textcoords kwarg, but not the xytext kwarg. This can lead to surprising results.
warnings.warn("You have used the textcoords kwarg, but not "
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.
warnings.warn(_use_error_msg) /Users/cyrilrocke/anaconda/lib/python3.4/site-packages/matplotlib/text.py:2046: UserWarning: You have used the
textcoords
kwarg, but not thexytext
kwarg. This can lead to surprising results. warnings.warn("You have used thetextcoords
kwarg, but not "