recipes: Run black

Change-Id: I3d2a2234d8d9f9e23d591599d904df4daf1983de
Reviewed-on: https://pigweed-review.googlesource.com/c/infra/recipes/+/68521
Pigweed-Auto-Submit: Rob Mohr <mohrr@google.com>
Reviewed-by: Ted Pudlik <tpudlik@google.com>
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/recipes/recipes.py b/recipes/recipes.py
index 0f4764c..69d3752 100644
--- a/recipes/recipes.py
+++ b/recipes/recipes.py
@@ -115,9 +115,7 @@
 
     if not props.unittest_only:
         api.recipe_testing.run_tests(
-            api.checkout.root,
-            SELFTEST_CL,
-            props.recipe_testing_options,
+            api.checkout.root, SELFTEST_CL, props.recipe_testing_options,
         )