Merge pull request matplotlib#2807 from cimarronm/macosx_figurecanvas_methods

Python 3 METH_VARARGS with METH_KEYWORDS

Author: tacaswell

src/_macosx.m

@@ -3779,12 +3779,12 @@ static void draw_image_user_coords_device_size(CGContextRef cr, CGImageRef im,
     },
     {"start_event_loop",
      (PyCFunction)FigureCanvas_start_event_loop,
-     METH_KEYWORDS,
+     METH_KEYWORDS | METH_VARARGS,
      "Runs the event loop until the timeout or until stop_event_loop is called.\n",
     },
     {"stop_event_loop",
      (PyCFunction)FigureCanvas_stop_event_loop,
-     METH_KEYWORDS,
+     METH_NOARGS,
      "Stops the event loop that was started by start_event_loop.\n",
     },
     {NULL}  /* Sentinel */