fixing EOL formatter

Author: pchoudhury22

tests/server/fastmcp/test_concurrency.py

@@ -26,4 +26,4 @@ async def main():
     print("elapsed:", round(time.perf_counter() - start, 2), "seconds")
 
 if __name__ == "__main__":
-    asyncio.run(main())
+    asyncio.run(main())