Bump beautifulsoup4 from 4.6.3 to 4.7.0
Bump beautifulsoup4 from 4.6.3 to 4.7.0

Bumps [beautifulsoup4](http://www.crummy.com/software/BeautifulSoup/bs4/) from 4.6.3 to 4.7.0.

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
bmordue/nb,bmordue/nb