Update app_utils.py

app_utils.py

@@ -44,9 +44,9 @@ def initialize_knowledge_base():
 
     # Embed each chunk of text
     embeddings = []
-    embedder = OpenAIEmbeddings()
+    openAI_embeddings = OpenAIEmbeddings()
     for doc in doc_texts:
-        embedding = embedder.embed(doc)
+        embedding = Chroma.from_documents(doc, openAI_embeddings)
         embeddings.append(embedding)
     
     vStore = np.concatenate(embeddings, axis=0)