install requests for download_google_fonts.py

Author: archmoj

.circleci/env_image.sh

@@ -2,6 +2,7 @@
 set -e
 # install required fonts
 sudo apt-get install fonts-liberation2 fonts-open-sans fonts-noto-cjk fonts-noto-color-emoji
+sudo python3 -m pip install requests
 sudo python3 .circleci/download_google_fonts.py
 sudo cp -r .circleci/fonts/ /usr/share/
 sudo fc-cache -f