Update beautifulsoup4 to 4.9.0#447

pyup-bot wants to merge 1 commit intomastercclauss/pythonista-module-versions:masterfrom

pyup-update-beautifulsoup4-4.4.1-to-4.9.0cclauss/pythonista-module-versions:pyup-update-beautifulsoup4-4.4.1-to-4.9.0Copy head branch name to clipboard