Update app_utils.py

app_utils.py

@@ -45,8 +45,8 @@ def initialize_knowledge_base():
     # Embed each chunk of text
     embeddings = []
     openAI_embeddings = OpenAIEmbeddings()
-    for text in doc_texts:
-        #doc = Document.from_text(text)
+    for doc in doc_texts:
+        text = str(doc)
         embedding = openAI_embeddings.embed_documents(text)
         embeddings.append(embedding)