Merge pull request #7 from matplotlib/fix-ipython-osx

FIX: Map macosx to osx for ipython terminal gui toolkit

Author: tacaswell

mpl_gui/_manage_backend.py

@@ -166,6 +166,9 @@ def show_managers(cls, *, managers, block):
         # if so are we in an IPython session
         ip = mod_ipython.get_ipython()
         if ip:
+            # macosx -> osx mapping for the osx backend in ipython
+            if required_framework == "macosx":
+                required_framework = "osx"
             ip.enable_gui(required_framework)
 
     # remember to set the global variable