ui.cli: Remove explicit return from QuestionCommandLine._extra_ps1_lines()

Mixing return statements and `yield`-based generators is bad practice.

diff --git a/quizzer/ui/cli.py b/quizzer/ui/cli.py
index ba26b328fd66179d2c59615050e5529335788571..763e3a71c7ddd79a1991a09cebd94a325e5d23a8 100644 (file)
--- a/quizzer/ui/cli.py
+++ b/quizzer/ui/cli.py
@@ -100,7 +100,6 @@ class QuestionCommandLine (_cmd.Cmd):
                 self._separator = ','
                 yield ("Separate multiple answers with the '{}' character"
                        ).format(self._separator)
-        return []
 
     def _process_answer(self, answer):
         "Back out any mappings suggested by _extra_ps1_lines()"