diff --git a/lib/py_lint_adapter.rb b/lib/py_lint_adapter.rb
index 0bc6f5aa..b9dc9235 100644
--- a/lib/py_lint_adapter.rb
+++ b/lib/py_lint_adapter.rb
@@ -44,7 +44,7 @@ class PyLintAdapter < TestingFrameworkAdapter
       count: count,
       failed: failed,
       error_messages: concatenated_errors.flatten.reject(&:blank?),
-      detailed_linter_results: assertion_error_matches.flatten.reject(&:blank?)
+      detailed_linter_results: assertion_error_matches.flatten.reject(&:blank?),
     }
   end