Update app.py

app.py

@@ -13,7 +13,10 @@ app = FastAPI()
 
 # Initialize ChromaDB with 512 dimensions
 client = chromadb.PersistentClient(path="/data/chroma_db")
-collection = client.get_or_create_collection(name="knowledge_base", metadata={"hnsw:space": "cosine"}, embedding_function=None)
+client.delete_collection(name="knowledge_base")
+collection = client.get_or_create_collection(name="knowledge_base", metadata={"dim": 512})
+
+#collection = client.get_or_create_collection(name="knowledge_base", metadata={"hnsw:space": "cosine"}, embedding_function=None)
 
 # File Paths
 pdf_file = "Sutures and Suturing techniques.pdf"