diff --git a/microsoft/testsuites/dpdk/rdma_core.py b/microsoft/testsuites/dpdk/rdma_core.py
index f26f4ed971..c312e1e767 100644
--- a/microsoft/testsuites/dpdk/rdma_core.py
+++ b/microsoft/testsuites/dpdk/rdma_core.py
@@ -52,7 +52,10 @@ def _check_source_name(self) -> bool:
         )
 
     _rdma_core_domain_pattern = re.compile(
-        r"^((?:www\.)?(?:(?:(?:microsoft|msazure)\.)?(?:visualstudio|gitlab|github)\.com)|git\.launchpad\.net)"
+        (
+            r"^((?:www\.)?(?:(?:(?:microsoft|msazure)\.)"
+            r"?(?:visualstudio|gitlab|github)\.com)|git\.launchpad\.net)"
+        )
     )
     _source_pattern = re.compile(r"rdma-core(.v?[0-9]+)*.(git|tar(\.gz)?)")