diff --git a/.coveragerc b/.coveragerc
index 43cd6d0cf4d7177ef604ba350ab43dcf589aad94..29f94189ce666811c115cccbc7d6c9df82a54c94 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -1,5 +1,5 @@
 [run]
 branch = true
-concurrency =
-  thread
+concurrency = thread
 parallel = true
+source = caucase