e.g. For [HIRONX.startImpedance_315_1](http://docs.ros.org/indigo/api/hironx_ros_bridge/html/classhironx__ros__bridge_1_1hironx__client_1_1HIRONX.html#ad4770fa0fc1b36a1a298e3f1e16a1105) there are some open brackets. We might need to report somewhere upstream. ``` ( self, arm, M_p = 100.0, D_p = 100.0, K_p = 100.0, M_r = 100.0, D_r = 2000.0, K_r = 2000.0, ref_force = [0, force_gain = [1, ref_moment = [0, moment_gain = [0, sr_gain = 1.0, avoid_gain = 0.0, reference_gain = 0.0, manipulability_limit = 0.1 ) ```