# pip list
Package                              Version
------------------------------------ --------
action-msgs                          1.2.1
ament-cmake-google-benchmark         1.3.6
ament-cmake-test                     1.3.6
ament-copyright                      0.12.9
ament-cppcheck                       0.12.9
ament-cpplint                        0.12.9
ament-flake8                         0.12.9
ament-index-python                   1.4.0
ament-lint                           0.12.9
ament-lint-cmake                     0.12.9
ament-package                        0.14.0
ament-pep257                         0.12.9
ament-pycodestyle                    0.12.9
ament-uncrustify                     0.12.9
ament-xmllint                        0.12.9
argcomplete                          1.8.1
attrs                                20.3.0
beautifulsoup4                       4.9.3
builtin-interfaces                   1.2.1
catkin-pkg-modules                   1.0.0
chardet                              4.0.0
colcon-argcomplete                   0.3.3
colcon-bash                          0.5.0
colcon-cd                            0.1.1
colcon-cmake                         0.2.28
colcon-common-extensions             0.3.0
colcon-core                          0.15.1
colcon-defaults                      0.2.8
colcon-devtools                      0.2.4
colcon-library-path                  0.2.1
colcon-metadata                      0.2.5
colcon-mixin                         0.2.3
colcon-notification                  0.2.15
colcon-output                        0.2.13
colcon-package-information           0.3.3
colcon-package-selection             0.2.10
colcon-parallel-executor             0.3.0
colcon-pkg-config                    0.1.0
colcon-powershell                    0.4.0
colcon-python-setup-py               0.2.8
colcon-recursive-crawl               0.2.3
colcon-ros                           0.4.1
colcon-test-result                   0.3.8
colcon-zsh                           0.5.0
composition-interfaces               1.2.1
dbus-python                          1.2.16
diagnostic-msgs                      4.2.3
diagnostic-updater                   3.1.2
distlib                              0.3.1
distro                               1.5.0
distro-info                          1.0
docutils                             0.16
domain-coordinator                   0.10.0
empy                                 3.3.2
flake8                               3.8.4
gencpp                               0.6.5
genlisp                              0.4.18
genmsg                               0.5.16
genpy                                0.6.14
geometry-msgs                        4.2.3
html5lib                             1.1
importlib-metadata                   1.6.0
iniconfig                            0.0.0
Jinja2                               2.11.3
lark-parser                          0.10.0
launch                               1.0.4
launch-ros                           0.19.6
launch-testing                       1.0.4
launch-testing-ros                   0.19.6
launch-xml                           1.0.4
launch-yaml                          1.0.4
lifecycle-msgs                       1.2.1
lxml                                 4.6.3
MarkupSafe                           1.1.1
mccabe                               0.6.1
message-filters                      4.3.3
more-itertools                       4.2.0
notify2                              0.3
numpy                                1.19.5
osrf-pycommon                        2.1.4
packaging                            20.9
pip                                  20.3.4
pluggy                               0.13.0
psutil                               5.8.0
py                                   1.10.0
pycodestyle                          2.6.0
pycurl                               7.43.0.6
pydocstyle                           2.1.1
pyflakes                             2.2.0
Pygments                             2.7.1
PyGObject                            3.38.0
pyparsing                            2.4.7
pytest                               6.0.2
python-apt                           2.2.1
python-dateutil                      2.8.1
PyYAML                               5.3.1
rcl-interfaces                       1.2.1
rclpy                                3.3.11
rcutils                              5.1.4
rmw-dds-common                       1.6.0
roman                                2.0.0
ros2action                           0.18.7
ros2cli                              0.18.7
ros2cli-test-interfaces              0.18.7
ros2interface                        0.18.7
ros2launch                           0.19.6
ros2lifecycle                        0.18.7
ros2node                             0.18.7
ros2param                            0.18.7
ros2pkg                              0.18.7
ros2run                              0.18.7
ros2service                          0.18.7
ros2topic                            0.18.7
rosdep                               0.22.2
rosdep-modules                       0.22.2
rosdistro-modules                    0.9.0
rosgraph-msgs                        1.2.1
rosidl-adapter                       3.1.5
rosidl-cli                           3.1.5
rosidl-cmake                         3.1.5
rosidl-generator-c                   3.1.5
rosidl-generator-cpp                 3.1.5
rosidl-generator-py                  0.14.4
rosidl-parser                        3.1.5
rosidl-runtime-py                    0.9.3
rosidl-typesupport-c                 2.0.1
rosidl-typesupport-cpp               2.0.1
rosidl-typesupport-fastrtps-c        2.2.2
rosidl-typesupport-fastrtps-cpp      2.2.2
rosidl-typesupport-introspection-c   3.1.5
rosidl-typesupport-introspection-cpp 3.1.5
rospkg-modules                       1.5.0
rpyutils                             0.2.1
sensor-msgs                          4.2.3
setuptools                           52.0.0
six                                  1.16.0
snowballstemmer                      2.1.0
soupsieve                            2.2.1
statistics-msgs                      1.2.1
std-msgs                             4.2.3
std-srvs                             4.2.3
test-msgs                            1.2.1
tf2-geometry-msgs                    0.25.5
tf2-msgs                             0.25.5
tf2-py                               0.25.5
tf2-ros-py                           0.25.5
toml                                 0.10.1
trajectory-msgs                      4.2.3
typeguard                            2.2.2
unattended-upgrades                  0.1
unique-identifier-msgs               2.2.1
vcstool                              0.3.0
webencodings                         0.5.1
wheel                                0.34.2
xacro                                2.0.8
zipp                                 1.0.0