Core: Applyop: create_proximity_constraint now return pyNode not string

Author: miquelcampos

release/scripts/mgear/core/applyop.py

@@ -946,7 +946,7 @@ def create_proximity_constraint(shape,
                      out_trans + ".offsetParentMatrix",
                      f=True)
 
-    return out_trans, pin
+    return pm.PyNode(out_trans), pm.PyNode(pin)
 
 
 def create_proximity_constraints(shape, in_trans_list):