Bug#871084: ros-pcl-msgs: FTBFS: ImportError: No module named yaml

[Lucas Nussbaum]

Source: ros-pcl-msgs
Version: 0.2.0-6
Severity: serious
Tags: buster sid
User: debian-qa at lists.debian.org
Usertags: qa-ftbfs-20170805 qa-ftbfs
Justification: FTBFS on amd64

Hi,

During a rebuild of all packages in sid, your package failed to build on
amd64.

Relevant part (hopefully):
> make[3]: Entering directory '/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu'
> [  7%] Generating Python from MSG pcl_msgs/PolygonMesh
> [ 15%] Generating C++ code from pcl_msgs/PolygonMesh.msg
> catkin_generated/env_cached.sh /usr/bin/python /usr/lib/genpy/genmsg_py.py /<<PKGBUILDDIR>>/msg/PolygonMesh.msg -Ipcl_msgs:/<<PKGBUILDDIR>>/msg -Isensor_msgs:/usr/share/sensor_msgs/cmake/../msg -Istd_msgs:/usr/share/std_msgs/cmake/../msg -Igeometry_msgs:/usr/share/geometry_msgs/cmake/../msg -p pcl_msgs -o /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/devel/lib/python2.7/dist-packages/pcl_msgs/msg
> [ 23%] Generating Lisp code from pcl_msgs/Vertices.msg
> catkin_generated/env_cached.sh /usr/bin/python /usr/lib/gencpp/gen_cpp.py /<<PKGBUILDDIR>>/msg/PolygonMesh.msg -Ipcl_msgs:/<<PKGBUILDDIR>>/msg -Isensor_msgs:/usr/share/sensor_msgs/cmake/../msg -Istd_msgs:/usr/share/std_msgs/cmake/../msg -Igeometry_msgs:/usr/share/geometry_msgs/cmake/../msg -p pcl_msgs -o /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/devel/include/pcl_msgs -e /usr/share/gencpp/cmake/..
> catkin_generated/env_cached.sh /usr/bin/python /usr/lib/genlisp/gen_lisp.py /<<PKGBUILDDIR>>/msg/Vertices.msg -Ipcl_msgs:/<<PKGBUILDDIR>>/msg -Isensor_msgs:/usr/share/sensor_msgs/cmake/../msg -Istd_msgs:/usr/share/std_msgs/cmake/../msg -Igeometry_msgs:/usr/share/geometry_msgs/cmake/../msg -p pcl_msgs -o /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/devel/share/common-lisp/ros/pcl_msgs/msg
> [ 30%] Generating Python from MSG pcl_msgs/PointIndices
> [ 38%] Generating Lisp code from pcl_msgs/PointIndices.msg
> [ 46%] Generating Python from MSG pcl_msgs/ModelCoefficients
> [ 53%] Generating C++ code from pcl_msgs/PointIndices.msg
> [ 61%] Generating Python from MSG pcl_msgs/Vertices
> [ 69%] Generating Lisp code from pcl_msgs/ModelCoefficients.msg
> catkin_generated/env_cached.sh /usr/bin/python /usr/lib/genpy/genmsg_py.py /<<PKGBUILDDIR>>/msg/PointIndices.msg -Ipcl_msgs:/<<PKGBUILDDIR>>/msg -Isensor_msgs:/usr/share/sensor_msgs/cmake/../msg -Istd_msgs:/usr/share/std_msgs/cmake/../msg -Igeometry_msgs:/usr/share/geometry_msgs/cmake/../msg -p pcl_msgs -o /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/devel/lib/python2.7/dist-packages/pcl_msgs/msg
> catkin_generated/env_cached.sh /usr/bin/python /usr/lib/genlisp/gen_lisp.py /<<PKGBUILDDIR>>/msg/PointIndices.msg -Ipcl_msgs:/<<PKGBUILDDIR>>/msg -Isensor_msgs:/usr/share/sensor_msgs/cmake/../msg -Istd_msgs:/usr/share/std_msgs/cmake/../msg -Igeometry_msgs:/usr/share/geometry_msgs/cmake/../msg -p pcl_msgs -o /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/devel/share/common-lisp/ros/pcl_msgs/msg
> [ 84%] Generating Lisp code from pcl_msgs/PolygonMesh.msg
> [ 84%] Generating C++ code from pcl_msgs/Vertices.msg
> catkin_generated/env_cached.sh /usr/bin/python /usr/lib/genpy/genmsg_py.py /<<PKGBUILDDIR>>/msg/ModelCoefficients.msg -Ipcl_msgs:/<<PKGBUILDDIR>>/msg -Isensor_msgs:/usr/share/sensor_msgs/cmake/../msg -Istd_msgs:/usr/share/std_msgs/cmake/../msg -Igeometry_msgs:/usr/share/geometry_msgs/cmake/../msg -p pcl_msgs -o /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/devel/lib/python2.7/dist-packages/pcl_msgs/msg
> catkin_generated/env_cached.sh /usr/bin/python /usr/lib/gencpp/gen_cpp.py /<<PKGBUILDDIR>>/msg/PointIndices.msg -Ipcl_msgs:/<<PKGBUILDDIR>>/msg -Isensor_msgs:/usr/share/sensor_msgs/cmake/../msg -Istd_msgs:/usr/share/std_msgs/cmake/../msg -Igeometry_msgs:/usr/share/geometry_msgs/cmake/../msg -p pcl_msgs -o /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/devel/include/pcl_msgs -e /usr/share/gencpp/cmake/..
> catkin_generated/env_cached.sh /usr/bin/python /usr/lib/genpy/genmsg_py.py /<<PKGBUILDDIR>>/msg/Vertices.msg -Ipcl_msgs:/<<PKGBUILDDIR>>/msg -Isensor_msgs:/usr/share/sensor_msgs/cmake/../msg -Istd_msgs:/usr/share/std_msgs/cmake/../msg -Igeometry_msgs:/usr/share/geometry_msgs/cmake/../msg -p pcl_msgs -o /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/devel/lib/python2.7/dist-packages/pcl_msgs/msg
> catkin_generated/env_cached.sh /usr/bin/python /usr/lib/genlisp/gen_lisp.py /<<PKGBUILDDIR>>/msg/ModelCoefficients.msg -Ipcl_msgs:/<<PKGBUILDDIR>>/msg -Isensor_msgs:/usr/share/sensor_msgs/cmake/../msg -Istd_msgs:/usr/share/std_msgs/cmake/../msg -Igeometry_msgs:/usr/share/geometry_msgs/cmake/../msg -p pcl_msgs -o /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/devel/share/common-lisp/ros/pcl_msgs/msg
> catkin_generated/env_cached.sh /usr/bin/python /usr/lib/genlisp/gen_lisp.py /<<PKGBUILDDIR>>/msg/PolygonMesh.msg -Ipcl_msgs:/<<PKGBUILDDIR>>/msg -Isensor_msgs:/usr/share/sensor_msgs/cmake/../msg -Istd_msgs:/usr/share/std_msgs/cmake/../msg -Igeometry_msgs:/usr/share/geometry_msgs/cmake/../msg -p pcl_msgs -o /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/devel/share/common-lisp/ros/pcl_msgs/msg
> catkin_generated/env_cached.sh /usr/bin/python /usr/lib/gencpp/gen_cpp.py /<<PKGBUILDDIR>>/msg/Vertices.msg -Ipcl_msgs:/<<PKGBUILDDIR>>/msg -Isensor_msgs:/usr/share/sensor_msgs/cmake/../msg -Istd_msgs:/usr/share/std_msgs/cmake/../msg -Igeometry_msgs:/usr/share/geometry_msgs/cmake/../msg -p pcl_msgs -o /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/devel/include/pcl_msgs -e /usr/share/gencpp/cmake/..
> [ 92%] Generating C++ code from pcl_msgs/ModelCoefficients.msg
> catkin_generated/env_cached.sh /usr/bin/python /usr/lib/gencpp/gen_cpp.py /<<PKGBUILDDIR>>/msg/ModelCoefficients.msg -Ipcl_msgs:/<<PKGBUILDDIR>>/msg -Isensor_msgs:/usr/share/sensor_msgs/cmake/../msg -Istd_msgs:/usr/share/std_msgs/cmake/../msg -Igeometry_msgs:/usr/share/geometry_msgs/cmake/../msg -p pcl_msgs -o /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/devel/include/pcl_msgs -e /usr/share/gencpp/cmake/..
> Traceback (most recent call last):
>   File "/usr/lib/genpy/genmsg_py.py", line 44, in <module>
>     import genpy.generator
>   File "/usr/lib/python2.7/dist-packages/genpy/__init__.py", line 34, in <module>
>     from . message import Message, SerializationError, DeserializationError, MessageException, struct_I
>   File "/usr/lib/python2.7/dist-packages/genpy/message.py", line 44, in <module>
>     import yaml
> ImportError: No module named yaml
> CMakeFiles/pcl_msgs_generate_messages_py.dir/build.make:78: recipe for target 'devel/lib/python2.7/dist-packages/pcl_msgs/msg/_PolygonMesh.py' failed
> make[3]: *** [devel/lib/python2.7/dist-packages/pcl_msgs/msg/_PolygonMesh.py] Error 1

The full build log is available from:
   http://aws-logs.debian.net/2017/08/05/ros-pcl-msgs_0.2.0-6_unstable.log

A list of current common problems and possible solutions is available at
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

About the archive rebuild: The rebuild was done on EC2 VM instances from
Amazon Web Services, using a clean, minimal and up-to-date chroot. Every
failed build was retried once to eliminate random failures.