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Rosdep experienced an internal error

Amirhosseins-MacBook-Pro:ros_catkin_ws amirhosseingholami$ rosdep install --from-paths src --ignore-src --rosdistro kinetic -y

ERROR: Rosdep experienced an internal error.
Please go to the rosdep page [1] and file a bug report with the message below.
[1] :

rosdep version: 0.11.8

Bad installer [pip]: [Errno 2] No such file or directory

Please ask for help on or open an issue on the appropriate issue tracker, in this case, instead of posting here on discourse. Also please look for existing, similar issues (I believe this issue has already occurred on the rosdep issue tracker).