To help us understand and resolve your issue please check that you have provided the information below.

• Matplotlib version, Python version and Platform (Windows, OSX, Linux ...)
• How did you install Matplotlib and Python (pip, anaconda, from source ...)
• If possible please supply a Short, Self Contained, Correct, Example that demonstrates the issue i.e a small piece of code which reproduces the issue and can be run with out any other (or as few as possible) external dependencies.
• If this is an image generation bug attach a screenshot demonstrating the issue.
• If this is a regression (Used to work in an earlier version of Matplotlib), please note where it used to work.