$ grep name poetry.lock | cut -d" " -f3 | tr -d '"' | tr '\n' ', '
  appdirs,attrs,black,click,cycler,flake8,kiwisolver,matplotlib,mccabe,
  mypy,mypy-extensions,numpy,pandas,pathspec,pillow,pycodestyle,pyflakes,
  pyparsing,pyqt5,pyqt5-sip,python-dateutil,pytz,regex,six,toml,typed-ast,
  typing-extensions