Fix slow data selector keys for motors

src/geomtools/motor/__init__.py

@@ -41,9 +41,9 @@ def read_motor_positions(dc, motor_devices, data_selector_id=""):
                 continue
             src = data_selector
             key = _make_node_name(dev_id) + ".actualPosition"
-            if key not in src.keys():
+            if key + ".value" not in src.keys():
                 key = _mangle_device_id(dev_id) + ".actualPosition"
-            if key not in src.keys():
+            if key + ".value" not in src.keys():
                 continue
 
         pos = src[key].ndarray()