Update app_utils.py

app_utils.py

@@ -43,11 +43,11 @@ def initialize_knowledge_base():
 
     #调整embeddings
 
-    from langchain.embeddings import HuggingFaceEmbeddings
-    embedding = HuggingFaceInstructEmbeddings(model_name = "hkunlp/instructor-large")
-    
-    #openAI_embeddings = OpenAIEmbeddings()
-    #vStore = Chroma.from_documents(doc_texts, openAI_embeddings)
+    #from langchain.embeddings import HuggingFaceEmbeddings
+    #embedding = HuggingFaceEmbeddings(model_name = "hkunlp/instructor-large")
+
+    openAI_embeddings = OpenAIEmbeddings()
+    vStore = Chroma.from_documents(doc_texts, openAI_embeddings)
     #调整模型