1Make sure you've completed the following steps before submitting your issue -- thank you! 2 31. Check if your question has already been answered in the [FAQ](http://pybind11.readthedocs.io/en/latest/faq.html) section. 42. Make sure you've read the [documentation](http://pybind11.readthedocs.io/en/latest/). Your issue may be addressed there. 53. If those resources didn't help and you only have a short question (not a bug report), consider asking in the [Gitter chat room](https://gitter.im/pybind/Lobby). 64. If you have a genuine bug report or a more complex question which is not answered in the previous items (or not suitable for chat), please fill in the details below. 75. Include a self-contained and minimal piece of code that reproduces the problem. If that's not possible, try to make the description as clear as possible. 8 9*After reading, remove this checklist and the template text in parentheses below.* 10 11## Issue description 12 13(Provide a short description, state the expected behavior and what actually happens.) 14 15## Reproducible example code 16 17(The code should be minimal, have no external dependencies, isolate the function(s) that cause breakage. Submit matched and complete C++ and Python snippets that can be easily compiled and run to diagnose the issue.) 18