Merge branch 'fix_369_crash_at_req_issues' of https://github.com/lethliel/osc

Only include a tag if it "has" text in get_request_issues. Note
that the code in get_formatted_issues always assumes the presence
of the "label" tag.

Fixes: #369 ("crash trying to view diff of a request")

osc/core.py

@@ -4843,7 +4843,8 @@ def get_request_issues(apiurl, reqid):
         for cissue in collection:
             issue = {}
             for issue_detail in cissue.iter():
-                issue[issue_detail.tag] = issue_detail.text.strip()
+                if issue_detail.text:
+                    issue[issue_detail.tag] = issue_detail.text.strip()
             issue_list.append(issue)
     return issue_list