/home/ewerton/anaconda3/lib/python3.6/site-packages/ipykernel_launcher.py:23: MatplotlibDeprecationWarning: pyplot.hold is deprecated.
Future behavior will be consistent with the long-time default:
plot commands add elements without first clearing the
Axes and/or Figure.
/home/ewerton/anaconda3/lib/python3.6/site-packages/matplotlib/__init__.py:917: UserWarning: axes.hold is deprecated. Please remove it from your matplotlibrc and/or style files.
warnings.warn(self.msg_depr_set % key)
/home/ewerton/anaconda3/lib/python3.6/site-packages/matplotlib/rcsetup.py:152: UserWarning: axes.hold is deprecated, will be removed in 3.0
warnings.warn("axes.hold is deprecated, will be removed in 3.0")