jackie@j-vm-u2004:~/oran-o2/git/o2$ tox -e flake8flake8 create: /home/jackie/oran-o2/git/o2/.tox/flake8flake8 installdeps: -r/home/jackie/oran-o2/git/o2/requirements.txt, -r/home/jackie/oran-o2/git/o2/requirements-test.txtERROR: invocation failed (exit code 1), logfile: /home/jackie/oran-o2/git/o2/.tox/flake8/log/flake8-1.log================================================================================================================================== log start ==================================================================================================================================ERROR: Double requirement given: ruamel.yaml==0.17.17 (from -r /home/jackie/oran-o2/git/o2/requirements.txt (line 18)) (already in ruamel.yaml>=0.17.1 (from -r /home/jackie/oran-o2/git/o2/requirements.txt (line 8)), name='ruamel.yaml')
=================================================================================================================================== log end ===================================================================================================================================ERROR: could not install deps [-r/home/jackie/oran-o2/git/o2/requirements.txt, -r/home/jackie/oran-o2/git/o2/requirements-test.txt]; v = InvocationError('/home/jackie/oran-o2/git/o2/.tox/flake8/bin/pip install -U -r/home/jackie/oran-o2/git/o2/requirements.txt -r/home/jackie/oran-o2/git/o2/requirements-test.txt', 1)___________________________________________________________________________________________________________________________________ summary ___________________________________________________________________________________________________________________________________ERROR:   flake8: could not install deps [-r/home/jackie/oran-o2/git/o2/requirements.txt, -r/home/jackie/oran-o2/git/o2/requirements-test.txt]; v = InvocationError('/home/jackie/oran-o2/git/o2/.tox/flake8/bin/pip install -U -r/home/jackie/oran-o2/git/o2/requirements.txt -r/home/jackie/oran-o2/git/o2/requirements-test.txt', 1)