Update app.py

app.py

@@ -3,7 +3,6 @@ from datetime import timedelta
 from agno.agent import Agent
 from agno.knowledge.pdf import PDFKnowledgeBase, PDFReader  
 from agno.vectordb.qdrant import Qdrant
-from agno.storage.redis import RedisStorage
 from agno.memory.v2.memory import Memory
 from agno.document.chunking.agentic import AgenticChunking
 from agno.models.openai import OpenAIChat