Changelog:
============
- More compatibility with emscripten :ghpull:'14316', :ghpull:'14318',
- Test more downstream project to avoid breakage :ghpull:'14317'
- Fix recently introduced bug with the "store" magic.
- Fix issues with multiple call to "matplotlib.pyplot.switch_backend"
- Fix crashing IPython when some tracebacks encounter dynamically evaluated
code.
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
