diff --git a/.github/mcp/mcp_pytest.py b/.github/mcp/mcp_pytest.py
index 94f6f644b0..11ca81adbc 100644
--- a/.github/mcp/mcp_pytest.py
+++ b/.github/mcp/mcp_pytest.py
@@ -95,6 +95,8 @@
 
     make test PYTEST='{args.pytest_command}' EXTRA_ARGS="$COMMON_ARGS --codeblocks"
 
+    pkill -9 python
+
     make test-dist PYTEST='{args.pytest_command}' EXTRA_ARGS="$COMMON_ARGS" WORLD_SIZE=2
 
     python -m coverage combine