1991dhanraj

TypeError: unsupported operand type(s) for -: 'NoneType' and 'int'**

2

Hi, When i run the roboclaw ros package to control the speed of the motor i get the following error. File "/home/dhanraj/catkin_ws/src/roboclaw_ros/roboclaw_node/nodes/roboclaw_node.py", line 77, in ## update_publish **if abs(enc_left -...