Command "/home/pi/OctoPrint/venv/bin/python -u -c "import setuptools, tokenize;
file='/tmp/pip-install-_eFTds/pillow/
setup.py';f=getattr(tokenize, 'open', open)(
file);code=
f.read().replace('\r\n', '\n');f.close();exec(compile(code,
file, 'exec'))" install --record /tmp/pip-record-Sohv8C/install-record.txt --single-version-externally-managed --compile --install-headers /home/pi/OctoPrint/venv/include/site/python2.7/pillow" failed with error code 1 in /tmp/pip-install-_eFTds/pillow/