Update app.py

app.py

@@ -136,7 +136,7 @@ async def create_upload_file(text_field: str, file: UploadFile = File(...), ocr:
     
     
     indexing = Pipeline()
-    indexing.add_component("sparse_doc_embedder", FastembedSparseDocumentEmbedder(model="facebook/spar-wiki-bm25-lexmodel-context-encoder"))
+    indexing.add_component("sparse_doc_embedder", FastembedSparseDocumentEmbedder(model="Qdrant/bm42-all-minilm-l6-v2-attentions"))
     indexing.add_component("dense_doc_embedder", FastembedDocumentEmbedder(model="sentence-transformers/paraphrase-multilingual-MiniLM-L12-v2"))
     indexing.add_component("writer", DocumentWriter(document_store=document_store, policy=DuplicatePolicy.OVERWRITE))
     
@@ -191,7 +191,7 @@ def search(prompt: str):
         generation_kwargs = {"max_tokens": 512}
     )
     querying = Pipeline()
-    querying.add_component("sparse_text_embedder", FastembedSparseTextEmbedder(model="facebook/spar-wiki-bm25-lexmodel-query-encoder'"))
+    querying.add_component("sparse_text_embedder", FastembedSparseTextEmbedder(model="Qdrant/bm42-all-minilm-l6-v2-attentions	'"))
     querying.add_component("dense_text_embedder", FastembedTextEmbedder(
      model="sentence-transformers/paraphrase-multilingual-MiniLM-L12-v2", prefix="Represent this sentence for searching relevant passages: ")
      )