fix missing packages

backend/app.py

@@ -22,7 +22,8 @@
 
 from backend.data_types import AgentResponse, EndUserMessage, AgentStructuredResponse
 from backend.otlp_tracing import logger
-from backend.utils import initialize_agent_runtime, get_web_pub_client
+from backend.utils import initialize_agent_runtime
+
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):
@@ -37,9 +38,6 @@ async def lifespan(app: FastAPI):
     # Initialize the agent runtime
     agent_runtime = await initialize_agent_runtime()
 
-    # Create a WebPubSubServiceClient
-    web_pubsub_client = get_web_pub_client()
-
     # Register the UserProxyAgent instance with the AgentRuntime
     await UserProxyAgent.register(agent_runtime, "user_proxy", lambda: UserProxyAgent())
 

backend/utils.py

@@ -6,7 +6,6 @@
 from llama_index.core.memory import ChatSummaryMemoryBuffer
 from llama_index.llms.azure_openai import AzureOpenAI
 from llama_index.tools.wikipedia import WikipediaToolSpec
-from azure.messaging.webpubsubservice import WebPubSubServiceClient
 
 from .agents.ext_agents import LlamaIndexAgent
 from .agents.travel_activities import ActivitiesAgent, get_travel_activity_tools
@@ -133,10 +132,3 @@ async def initialize_agent_runtime() -> SingleThreadedAgentRuntime:
     logger.info("Agent runtime initialized successfully.")
 
     return agent_runtime
-
-
-def get_web_pub_client() -> WebPubSubServiceClient:
-    service = WebPubSubServiceClient.from_connection_string(
-        Config.WEB_PUB_SUB_CONNECTION_STRING, hub=Config.WEB_PUB_SUB_HUB_NAME
-    )
-    return service