DocTestReporter: Fix 'sage -t --optional=all'

Matthias Koeppe · Matthias Koeppe · commit 5c23cc9dfb4d · 2021-07-19T07:28:31.000-07:00
diff --git a/src/sage/doctest/reporting.py b/src/sage/doctest/reporting.py
@@ -141,7 +141,7 @@ def have_optional_tag(self, tag):
             False
 
         """
-        if tag in self.controller.options.optional:
+        if self.controller.options.optional is True or tag in self.controller.options.optional:
             return True
         if 'external' in self.controller.options.optional:
             if tag in available_software.seen():
