title: Why this error when I try to create workspaces in ROS?
body: <p>Whenever I try to create a workspace:</p>
  
  <pre><code>~/catkin_ws$ catkin_make
  </code></pre>
  
  <p>It shows like this: </p>
  
  <pre><code>ImportError: "from catkin_pkg.package import parse_package" failed: No module named 'catkin_pkg'
  Make sure that you have installed "catkin_pkg", it is up to date and on the PYTHONPATH.
  CMake Error at /opt/ros/kinetic/share/catkin/cmake/safe_execute_process.cmake:11 (message):
    execute_process(/home/usuario/miniconda3/bin/python
    "/opt/ros/kinetic/share/catkin/cmake/parse_package_xml.py"
    "/opt/ros/kinetic/share/catkin/cmake/../package.xml"
    "/home/usuario/catkin_ws/build/catkin/catkin_generated/version/package.cmake")
    returned error code 1
  Call Stack (most recent call first):
    /opt/ros/kinetic/share/catkin/cmake/catkin_package_xml.cmake:63 (safe_execute_process)
    /opt/ros/kinetic/share/catkin/cmake/all.cmake:151 (_catkin_package_xml)
    /opt/ros/kinetic/share/catkin/cmake/catkinConfig.cmake:20 (include)
    CMakeLists.txt:52 (find_package)
  
  
  -- Configuring incomplete, errors occurred!
  See also "/home/usuario/catkin_ws/build/CMakeFiles/CMakeOutput.log".
  See also "/home/usuario/catkin_ws/build/CMakeFiles/CMakeError.log".
  Invoking "cmake" failed
  </code></pre>
  
  <p>It seems like there is a problem with catkin_pkg but I dont find the solution</p>