this seemed needed for Ubuntu 20.04 LTS

setup_ubuntu.sh

@@ -44,6 +44,8 @@ sudo -H python3 -m pip install --upgrade \
 	qrcode \
 	pyqt5 \
 	reportlab \
-	svglib
+	svglib \
+	pyserial \
+	testresources
 
 sudo -H easy_install -U distribute