Update app.py

app.py

@@ -99,7 +99,12 @@ async def create_upload_file(text_field: str, file: UploadFile = File(...)):
 @app.get("/search")
 def search(prompt: str):
     import time
-
+    from haystack import Document, Pipeline
+    from haystack_integrations.components.retrievers.qdrant import QdrantHybridRetriever
+    from haystack_integrations.components.embedders.fastembed import (
+     FastembedTextEmbedder,
+     FastembedSparseTextEmbedder
+    )
     start_time = time.time()
     
     # Querying