No content-type from github api results in key error
No content-type from github api results in key error

    DELETE /repos/:owner/:repo/hooks/:id
https://developer.github.com/v3/repos/hooks/#delete-a-hook

This request does not give content back, hence the need of checking there is Content-Type in headers
vasyvas/github-flask,woodb/github-flask,cenkalti/github-flask,ftomassetti/github-flask