function make_reqs() {
    mods=("${(@f)$(awk '/import/ { print $2 }' *.(py|ipynb) | sed -E 's:[\\\.\"].*::g;s~_~-~g' | sort --unique )}")
    pip freeze | grep -E "$(export IFS="|"; echo "${mods[*]}")"
    for mod in ${mods[*]}; do
      echo $mod
      echo `pip freeze | grep $mod` 
    done
    unset mods
    }