Hi I just tried installing pylint on a raspberry PI with 'pip install pylint' I also tried 'sudo pip install pylint': root@watercontrol:/home/pi# pip install pylint Downloading/unpacking pylint Downloading pylint-2.5.3.tar.gz (684kB): 684kB downloaded Running setup.py (path:/tmp/pip-build-HIS3dh/pylint/setup.py) egg_info for package pylint Traceback (most recent call last): File "<string>", line 17, in <module> File "/tmp/pip-build-HIS3dh/pylint/setup.py", line 63, in <module> with open(readme_path, encoding="UTF-8") as stream: TypeError: 'encoding' is an invalid keyword argument for this function Complete output from command python setup.py egg_info: Traceback (most recent call last): File "<string>", line 17, in <module> File "/tmp/pip-build-HIS3dh/pylint/setup.py", line 63, in <module> with open(readme_path, encoding="UTF-8") as stream: TypeError: 'encoding' is an invalid keyword argument for this function ---------------------------------------- Cleaning up... Command python setup.py egg_info failed with error code 1 in /tmp/pip-build-HIS3dh/pylint Storing debug log for failure in /root/.pip/ Pip.log is attached Thx for any help with this! Steve Harper