pyusb Pillow>=2.0 qrcode>=4.0 pyserial sphinx-rtd-theme==3.0.0 setuptools setuptools-scm docutils>=0.12 sphinxcontrib-spelling>=7.2.0 python-barcode>=0.15.0,<1 importlib-metadata importlib_resources sphinxcontrib.datatemplates sphinx-argparse sphinx-autodoc-typehints pycups