Merge pull request #149 from Mark-Simulacrum/support-empty-body

Avoid failing when issue.body is None

Author: Mark-Simulacrum

homu/main.py

@@ -372,7 +372,7 @@ def refresh(self):
         issue = self.get_repo().issue(self.num)
 
         self.title = issue.title
-        self.body = suppress_pings(issue.body)
+        self.body = suppress_pings(issue.body or "")
         self.body = suppress_ignore_block(self.body)
 
     def fake_merge(self, repo_cfg):