FIX: preserve interactive state around ip.enable_matplotlib()

tacaswell · tacaswell · commit d66a7608485a · 2019-08-05T09:00:20.000-04:00
closes #14950
diff --git a/lib/matplotlib/backend_bases.py b/lib/matplotlib/backend_bases.py
@@ -1669,7 +1669,12 @@ def _fix_ipython_backend2gui(cls):
                 if _is_non_interactive_terminal_ipython(ip):
                     pass
                 else:
-                    ip.enable_matplotlib()
+                    was_interacive = mpl.is_interactive()
+                    try:
+                        ip.enable_matplotlib()
+                    finally:
+                        mpl.interactive(was_interacive)
+
             finally:
                 mpl.rcParamsOrig["backend"] = orig_origbackend
 
