previous command was giving me:
(venv) dgrant@16elford:~/home-assistant$ bash pip3 install -r requirements_test_all.txt
import: unable to open X server `' @ error/import.c/ImportImageCommand/364.
import: unable to open X server `' @ error/import.c/ImportImageCommand/364.
from: can't read /var/mail/pip
/home/dgrant/home-assistant/venv/bin/pip3: pip3: line 10: syntax error near unexpected token `('
/home/dgrant/home-assistant/venv/bin/pip3: pip3: line 10: ` sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])'