warn about missing azimuth

camera.py

@@ -289,9 +289,12 @@ class Camera:
             #print(current, delta, move)
             current, delta = get_delta()
             changed = False
+            if 'azimuth' in delta and 'azimuth' in direction:
                 if pan and (not delta['azimuth'] or (delta['azimuth'] >= 0) != direction['azimuth']):
                     pan = 0
                     changed = True
+            else:
+                print('why no azimuth? delta: %s direction: %s' % (delta, direction))
             '''
             if pan > 0:
                 pan = min(pan, delta['azimuth'])