diff --git a/src/mcp/server/fastmcp/server.py b/src/mcp/server/fastmcp/server.py
index f3bb2586a..d1550bc9c 100644
--- a/src/mcp/server/fastmcp/server.py
+++ b/src/mcp/server/fastmcp/server.py
@@ -466,6 +466,7 @@ async def run_stdio_async(self) -> None:
     async def run_sse_async(self) -> None:
         """Run the server using SSE transport."""
         import uvicorn
+
         starlette_app = self.sse_app()
 
         config = uvicorn.Config(
diff --git a/tests/server/fastmcp/servers/test_file_server.py b/tests/server/fastmcp/servers/test_file_server.py
index c1f51cabe..b40778ea8 100644
--- a/tests/server/fastmcp/servers/test_file_server.py
+++ b/tests/server/fastmcp/servers/test_file_server.py
@@ -114,17 +114,13 @@ async def test_read_resource_file(mcp: FastMCP):
 
 @pytest.mark.anyio
 async def test_delete_file(mcp: FastMCP, test_dir: Path):
-    await mcp.call_tool(
-        "delete_file", arguments={"path": str(test_dir / "example.py")}
-    )
+    await mcp.call_tool("delete_file", arguments={"path": str(test_dir / "example.py")})
     assert not (test_dir / "example.py").exists()
 
 
 @pytest.mark.anyio
 async def test_delete_file_and_check_resources(mcp: FastMCP, test_dir: Path):
-    await mcp.call_tool(
-        "delete_file", arguments={"path": str(test_dir / "example.py")}
-    )
+    await mcp.call_tool("delete_file", arguments={"path": str(test_dir / "example.py")})
     res_iter = await mcp.read_resource("file://test_dir/example.py")
     res_list = list(res_iter)
     assert len(res_list) == 1