Update app.py

app.py

@@ -227,7 +227,7 @@ def get_csv_index(csv_file):
 
         # ایجاد embeddings
         embeddings = TogetherEmbeddings(
-            model_name="meta-llama/Llama-4-Maverick-17B-128E-Instruct-FP8",
+            model_name="Qwen/Qwen2-VL-72B-Instruct",
             api_key="0291f33aee03412a47fa5d8e562e515182dcc5d9aac5a7fb5eefdd1759005979"
         )
 
@@ -259,7 +259,7 @@ except Exception as e:
 llm = ChatOpenAI(
     base_url="https://api.together.xyz/v1",
     api_key='0291f33aee03412a47fa5d8e562e515182dcc5d9aac5a7fb5eefdd1759005979',
-    model="meta-llama/Llama-4-Maverick-17B-128E-Instruct-FP8"
+    model="Qwen/Qwen2-VL-72B-Instruct"
 )
 
 chain = RetrievalQA.from_chain_type(