Bump tornado from 6.4.1 to 6.4.2#341

dependabot[bot] wants to merge 1 commit intomainfoarsitter/signhost-api-python-client:mainfrom

dependabot/pip/tornado-6.4.2foarsitter/signhost-api-python-client:dependabot/pip/tornado-6.4.2Copy head branch name to clipboard