FIX: expand choices to top and unknown

jklymak · jklymak · commit b4a1a97d5906 · 2019-03-24T20:54:36.000-07:00
diff --git a/lib/matplotlib/axes/_base.py b/lib/matplotlib/axes/_base.py
@@ -2535,8 +2535,9 @@ def _update_title_position(self, renderer):
             top = 0
             for ax in axs:
                 try:
-                    if (ax.xaxis.get_label_position() != 'bottom'
-                            or ax.xaxis.get_ticks_position() != 'bottom'):
+                    choices = ['top', 'unknown']
+                    if (ax.xaxis.get_label_position() == 'top' or
+                            ax.xaxis.get_ticks_position() in choices):
                         bb = ax.xaxis.get_tightbbox(renderer)
                     else:
                         bb = ax.get_window_extent(renderer)
