-i https://pypi.org/simple atomicwrites==1.3.0 attrs==19.1.0 backcall==0.1.0 decorator==4.4.0 entrypoints==0.3 flake8==3.7.8 importlib-metadata==0.19 ipython-genutils==0.2.0 ipython==7.7.0 jedi==0.14.1 mccabe==0.6.1 more-itertools==7.2.0 packaging==19.0 parso==0.5.1 pexpect==4.7.0 ; sys_platform != 'win32' pickleshare==0.7.5 pluggy==0.12.0 prompt-toolkit==2.0.9 ptyprocess==0.6.0 py==1.8.0 pycodestyle==2.5.0 pyflakes==2.1.1 pygments==2.4.2 pyparsing==2.4.1.1 pytest==5.0.1 six==1.12.0 traitlets==4.3.2 wcwidth==0.1.7 zipp==0.5.2