Add missing getInstanceInfo import

src/calng/CalibrationManager.py

@@ -26,7 +26,7 @@ from karabo.middlelayer import (
     UInt16, UInt32, Bool, Float, Double, String, VectorString, VectorHash,
     background, call, callNoWait, setNoWait, sleep, instantiate, slot, coslot,
     get_property, getTopology, getConfiguration, getConfigurationFromPast,
-    getConfigurationFromName)
+    getConfigurationFromName, getInstanceInfo)
 
 from . import scenes
 from ._version import version as deviceVersion