remove xtra newline

src/fastmcp/client/auth/oauth.py

@@ -306,8 +306,7 @@ def OAuth(
     httpx.AsyncClient (or appropriate FastMCP client/transport instance)
 
     Args:
-        mcp_url: Full URL to the MCP endpoint (e.g.,
-        "http://host/mcp/sse/")
+        mcp_url: Full URL to the MCP endpoint (e.g. "http://host/mcp/sse/")
         scopes: OAuth scopes to request. Can be a
         space-separated string or a list of strings.
         client_name: Name for this client during registration