Update app.py

app.py

@@ -5,7 +5,7 @@ from langchain.embeddings import HuggingFaceInstructEmbeddings
 
 # Initialize the HuggingFaceInstructEmbeddings
 hf = HuggingFaceInstructEmbeddings(
-    model_name="hkunlp/instructor-large",
+    model_name="gpt2",
     embed_instruction="Represent the document for retrieval: ",
     query_instruction="Represent the query for retrieval: "
 )