Typo in log leve.

Author: psigen

src/prpy/planning/base.py

@@ -84,15 +84,15 @@ def __call__(self, instance, robot, *args, **kw_args):
             # parent environment.  It seems to be exacerbated by multirotation joints,
             # but the exact cause and repeatability is unclear at this point.)
             if not numpy.array_equal(joint_indices[0], joint_indices[1]):
-                logger.warn("Cloned Active DOF index mismatch: %s != %s",
-                            str(joint_indices[0]),
-                            str(joint_indices[1]))
+                logger.warning("Cloned Active DOF index mismatch: %s != %s",
+                               str(joint_indices[0]),
+                               str(joint_indices[1]))
                 cloned_robot.SetActiveDOFs(joint_indices[0])
 
             if not numpy.allclose(joint_values[0], joint_values[1]):
-                logger.warn("Cloned Active DOF value mismatch: %s != %s",
-                            str(joint_values[0]),
-                            str(joint_values[1]))
+                logger.warning("Cloned Active DOF value mismatch: %s != %s",
+                               str(joint_values[0]),
+                               str(joint_values[1]))
                 cloned_robot.SetActiveDOFValues(joint_values[0])
 
             def call_planner():