Update app.py

app.py

@@ -110,11 +110,7 @@ def main():
     )
     
     retriever = create_retriever_from_chroma(vectorstore_path="docs/chroma/", search_type=search_type, k=k, chunk_size=350, chunk_overlap=30)
-    retrieve = retrieve()
-    grade_documents = grade_documents()
-    generate = generate()
-    web_search = web_search()
-    transform_query = transform_query()
+