colcon build fails 18.04
I installed ros2 crystal in kubuntu 18.04 while doing https://index.ros.org/doc/ros2/Tutori... this tutorial can't build package by this error
--- stderr: qt_gui_cpp
CMake Warning at /home/kim/ros2_ws/install/python_qt_binding/share/python_qt_binding/cmake/sip_helper.cmake:17 (message):
SIP binding generator NOT available.
Call Stack (most recent call first):
src/qt_gui_cpp_sip/CMakeLists.txt:54 (include)
CMake Error at src/CMakeLists.txt:10 (message):
No Python binding generator found.
---
Failed <<< qt_gui_cpp [ Exited with code 1 ]
Did you install the dependencies as described in this step: https://index.ros.org/doc/ros2/Tutori... ?