Update app.py

app.py

@@ -61,7 +61,7 @@ def process_upload(files):
     
     # Build the index and chat engine using Qdrant as the vector store.
     global client, vector_store, storage_context, index, query_engine, memory, chat_engine
-    # client = qdrant_client.QdrantClient(location=":memory:")
+    client = qdrant_client.QdrantClient(location=":memory:")
     
     # vector_store = QdrantVectorStore(
     #     collection_name="paper",
@@ -70,10 +70,10 @@ def process_upload(files):
     #     batch_size=20,
     # )
     collection_name = "paper"
-    client = qdrant_client.QdrantClient(
-        path="./qdrant_db",  
-        prefer_grpc=True
-    )
+    # client = qdrant_client.QdrantClient(
+    #     path="./qdrant_db",  
+    #     prefer_grpc=True
+    # )
     existing_collections = {col.name for col in client.get_collections().collections}
     if collection_name not in existing_collections:
         client.create_collection(