Reduce indentation by returning early.

voussoirkit/operatornotify.py

@@ -120,10 +120,16 @@ class LogHandler(vlogging.StreamHandler):
         '''
         Send all of the logged contents to notify, then reset the buffer.
         '''
-        if self.log_buffer.getvalue():
+        text = self.log_buffer.getvalue()
+
+        if not text:
+            return
+
         try:
-                notify(subject=self.subject, body=self.log_buffer.getvalue())
+            notify(subject=self.subject, body=text)
         except Exception as exc:
+            # Normally I'd put this into log.warning or log.error, but then we
+            # might get stuck in an infinite loop! Not sure what's best.
             traceback.print_exc()
         else:
             self.reset_buffer()