pip list --format=legacy | cut -d' ' -f1 | xargs egrep '^(acqusition|apidev-coop|bzip|crypt|django-server|pwd|setup-tools|telnet|urlib3|urllib)$'
grep: alabaster: No such file or directory
grep: appdirs: No such file or directory
grep: arandr: No such file or directory
for dozens and dozens of packages. Are those errors benign?