Update app.py

app.py

@@ -116,7 +116,8 @@ mcp_rag_tool = gr.Interface(
     inputs=["text"],
     outputs=[gr.Textbox(label="Knowledge Base", max_lines=15)],
     title="MCP RAG Tool",
-    description="Searches and retrieves relevant context from a knowledge base"
+    description="Searches and retrieves relevant context from a knowledge base",
+    concurrency_limit=1
 )
 
 research_tool = gr.Interface(
@@ -146,7 +147,7 @@ mcp_server = gr.TabbedInterface(
 
 # Launch the MCP Server
 if __name__ == "__main__":
-    mcp_server.queue(default_concurrency_limit=1)
+    mcp_server.queue(concurrency_limit=1)
     mcp_server.launch(
         server_name="0.0.0.0",
         server_port=7860,