Update models/langOpen.py

Updated embedding index to llamaparse-md3-openai-embeddings 4000 chunk size: llamaparse-md3 (4000 chunk size)-openai-embeddings / ensemble (50/50) + rerank

models/langOpen.py

@@ -35,7 +35,7 @@ class LangOpen:
 
     def initialize_index(self, index_name):
         embeddings = OpenAIEmbeddings(model="text-embedding-3-large")
-        index_name = "openai-embeddings"
+        index_name = "llamaparse-md3-openai-embeddings"
         vectorstore = PineconeVectorStore(index_name=index_name, embedding=embeddings)
         return vectorstore