fix JobsArgument --help output

1 files changed, 4 insertions, 0 deletions

diff --git a/src/flake8/main/options.py b/src/flake8/main/options.py
index a620ed9..4504634 100644
--- a/src/flake8/main/options.py
+++ b/src/flake8/main/options.py
@@ -82,6 +82,10 @@ class JobsArgument:
                 "{!r} must be 'auto' or an integer.".format(arg),
             )
 
+    def __str__(self):
+        """Format our JobsArgument class."""
+        return "auto" if self.is_auto else str(self.n_jobs)
+
 
 def register_default_options(option_manager):
     """Register the default options on our OptionManager.