Remove type conditional based on pull request attribute
Remove type conditional based on pull request attribute

The issue `pull_request` attribute is a link to the pull request itself
and does not mean this issue *is* the pull request.

Signed-off-by: Byron Ruth <e9d71f5ee7c92d6dc9e92ffdad17b8bd49418f98@devel.io>

chop-dbhi/prov-extractor,chop-dbhi/prov-extractor