Fix import and export bugs in Spline UI

Signed-off-by: Ravago Jones <ravagojones@gmail.com>
Change-Id: I809443d50de66b54493b9985eeff45a106ed73a7
diff --git a/frc971/control_loops/python/spline_graph.py b/frc971/control_loops/python/spline_graph.py
index ce5efe1..666710e 100755
--- a/frc971/control_loops/python/spline_graph.py
+++ b/frc971/control_loops/python/spline_graph.py
@@ -32,10 +32,12 @@
 
         if self.field.mode != Mode.kViewing:
             self.field.mode = Mode.kViewing
+            self.field.queue_draw()
             Gtk.Button.set_label(self.toggle_view, "Switch to Editing Mode")
 
         else:
             self.field.mode = self.field.previous_mode
+            self.field.queue_draw()
             if self.field.mode == Mode.kEditing:
                 Gtk.Button.set_label(self.toggle_view,
                                      "Switch to Viewing Mode")