Add hack to fix issues with older matplotlibs
Add hack to fix issues with older matplotlibs

arokem/seaborn,anntzer/seaborn,petebachant/seaborn,mwaskom/seaborn,phobson/seaborn,arokem/seaborn,lukauskas/seaborn,mwaskom/seaborn,anntzer/seaborn,sauliusl/seaborn,lukauskas/seaborn,phobson/seaborn