Update app.py

app.py

@@ -37,7 +37,17 @@ else:
     documents = []
 
 # Set up the Qdrant vector store (using an in-memory collection for simplicity)
+
 client = qdrant_client.QdrantClient(location=":memory:")
+existing_collections = ['paper']
+if collection_name not in existing_collections:
+    client.create_collection(
+        collection_name='paper',
+        vectors_config=models.VectorParams(
+            size=1536,  
+            distance=models.Distance.COSINE
+        )
+    )
 vector_store = QdrantVectorStore(
     collection_name="paper",
     client=client,