I am trying to install tellodriver using roswiki, however, catkinmake step fails

here is the terminal process:

suleyman@suleyman:~/catkin_ws$ catkin_make
Base path: /home/suleyman/catkin_ws
Source space: /home/suleyman/catkin_ws/src
Build space: /home/suleyman/catkin_ws/build
Devel space: /home/suleyman/catkin_ws/devel
Install space: /home/suleyman/catkin_ws/install
####
#### Running command: "make cmake_check_build_system" in "/home/suleyman/catkin_ws/build"
####
-- Using CATKIN_DEVEL_PREFIX: /home/suleyman/catkin_ws/devel
-- Using CMAKE_PREFIX_PATH: /opt/ros/melodic
-- This workspace overlays: /opt/ros/melodic
-- Found PythonInterp: /usr/bin/python3 (found suitable version "3.6.9", minimum required is "2") 
-- Using PYTHON_EXECUTABLE: /usr/bin/python3
-- Using Debian Python package layout
-- Using empy: /usr/bin/empy
-- Using CATKIN_ENABLE_TESTING: ON
-- Call enable_testing()
-- Using CATKIN_TEST_RESULTS_DIR: /home/suleyman/catkin_ws/build/test_results
-- Found gtest sources under '/usr/src/googletest': gtests will be built
-- Found gmock sources under '/usr/src/googletest': gmock will be built
-- Found PythonInterp: /usr/bin/python3 (found version "3.6.9") 
-- Using Python nosetests: /usr/bin/nosetests-2.7
-- catkin 0.7.29
-- BUILD_SHARED_LIBS is on
-- BUILD_SHARED_LIBS is on
-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-- ~~  traversing 1 packages in topological order:
-- ~~  - tello_driver
-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-- +++ processing catkin package: 'tello_driver'
-- ==> add_subdirectory(tello_driver)
-- Using these message generators: gencpp;geneus;genlisp;gennodejs;genpy
-- tello_driver: 1 messages, 0 services
-- Configuring done
-- Generating done
-- Build files have been written to: /home/suleyman/catkin_ws/build
####
#### Running command: "make -j6 -l6" in "/home/suleyman/catkin_ws/build"
####
[  0%] Built target sensor_msgs_generate_messages_py
[  0%] Built target sensor_msgs_generate_messages_cpp
[  0%] Built target std_msgs_generate_messages_cpp
[  0%] Built target geometry_msgs_generate_messages_cpp
[  0%] Built target nav_msgs_generate_messages_cpp
[  0%] Built target std_msgs_generate_messages_py
[  0%] Built target sensor_msgs_generate_messages_nodejs
[  0%] Built target nav_msgs_generate_messages_py
[  0%] Built target geometry_msgs_generate_messages_py
[  0%] Built target std_msgs_generate_messages_nodejs
[  0%] Built target _tello_driver_generate_messages_check_deps_TelloStatus
[  0%] Built target geometry_msgs_generate_messages_nodejs
[  0%] Built target nav_msgs_generate_messages_lisp
[  0%] Built target nav_msgs_generate_messages_nodejs
[  0%] Built target std_msgs_generate_messages_lisp
[  0%] Built target geometry_msgs_generate_messages_lisp
[  0%] Built target sensor_msgs_generate_messages_lisp
[  0%] Built target sensor_msgs_generate_messages_eus
[  0%] Built target geometry_msgs_generate_messages_eus
[  0%] Built target nav_msgs_generate_messages_eus
[ 12%] Generating dynamic reconfigure files from cfg/Tello.cfg: /home/suleyman/catkin_ws/devel/include/tello_driver/TelloConfig.h /home/suleyman/catkin_ws/devel/lib/python3/dist-packages/tello_driver/cfg/TelloConfig.py
[ 12%] Built target std_msgs_generate_messages_eus
[ 25%] Generating C++ code from tello_driver/TelloStatus.msg
[ 37%] Generating Python from MSG tello_driver/TelloStatus
[ 50%] Generating Lisp code from tello_driver/TelloStatus.msg
[ 62%] Generating Javascript code from tello_driver/TelloStatus.msg
[ 75%] Generating EusLisp code from tello_driver/TelloStatus.msg
[ 75%] Built target tello_driver_generate_messages_lisp
[ 75%] Built target tello_driver_generate_messages_nodejs
Traceback (most recent call last):
  File "/home/suleyman/catkin_ws/src/tello_driver/cfg/Tello.cfg", line 4, in <module>
    from dynamic_reconfigure.parameter_generator_catkin import *
  File "/opt/ros/melodic/lib/python2.7/dist-packages/dynamic_reconfigure/__init__.py", line 38, in <module>
    import roslib
  File "/opt/ros/melodic/lib/python2.7/dist-packages/roslib/__init__.py", line 50, in <module>
    from roslib.launcher import load_manifest  # noqa: F401
  File "/opt/ros/melodic/lib/python2.7/dist-packages/roslib/launcher.py", line 42, in <module>
    import rospkg
ModuleNotFoundError: No module named 'rospkg'
tello_driver/CMakeFiles/tello_driver_gencfg.dir/build.make:63: recipe for target '/home/suleyman/catkin_ws/devel/include/tello_driver/TelloConfig.h' failed
make[2]: *** [/home/suleyman/catkin_ws/devel/include/tello_driver/TelloConfig.h] Error 1
CMakeFiles/Makefile2:1793: recipe for target 'tello_driver/CMakeFiles/tello_driver_gencfg.dir/all' failed
make[1]: *** [tello_driver/CMakeFiles/tello_driver_gencfg.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....
[ 87%] Generating Python msg __init__.py for tello_driver
Traceback (most recent call last):
  File "/opt/ros/melodic/share/gencpp/cmake/../../../lib/gencpp/gen_cpp.py", line 43, in <module>
    import genmsg.template_tools
  File "/opt/ros/melodic/lib/python2.7/dist-packages/genmsg/template_tools.py", line 39, in <module>
    import em
ModuleNotFoundError: No module named 'em'
tello_driver/CMakeFiles/tello_driver_generate_messages_cpp.dir/build.make:62: recipe for target '/home/suleyman/catkin_ws/devel/include/tello_driver/TelloStatus.h' failed
make[2]: *** [/home/suleyman/catkin_ws/devel/include/tello_driver/TelloStatus.h] Error 1
[100%] Built target tello_driver_generate_messages_eus
CMakeFiles/Makefile2:728: recipe for target 'tello_driver/CMakeFiles/tello_driver_generate_messages_cpp.dir/all' failed
make[1]: *** [tello_driver/CMakeFiles/tello_driver_generate_messages_cpp.dir/all] Error 2
[100%] Built target tello_driver_generate_messages_py
Makefile:140: recipe for target 'all' failed
make: *** [all] Error 2
Invoking "make -j6 -l6" failed