What's Changed

Bug Fixes

• Restore Python 2.7 compatibility for EL7 (CentOS/RHEL 7)
  • Replace builtins.chr with six.unichr()
  • Remove exist_ok=True from os.makedirs() (Python 3.2+)
  • Replace FileNotFoundError with OSError + errno check (Python 3.3+)
  • Replace text=True with universal_newlines=True in subprocess calls (Python 3.7+)

CI/CD

• Enable GitHub Actions workflow on master branch
• Add Python 2.7 syntax compatibility check using getpagespeed/lts:el7 container
• Add integration test using fds package from GetPageSpeed repo