Update app.py

app.py

@@ -109,7 +109,7 @@ def get_pdf_index():
     with st.spinner('📄 در حال پردازش فایل PDF...'):
         loader = [PyPDFLoader('test1.pdf')]
         embeddings = TogetherEmbeddings(
-            model_name="togethercomputer/m2-bert-80M-8k-retrieval",
+            model_name="meta-llama/Llama-4-Maverick-17B-128E-Instruct-FP8",
             api_key="0291f33aee03412a47fa5d8e562e515182dcc5d9aac5a7fb5eefdd1759005979"
 
 
@@ -126,7 +126,7 @@ index = get_pdf_index()
 llm = ChatOpenAI(
     base_url="https://api.together.xyz/v1",
     api_key='0291f33aee03412a47fa5d8e562e515182dcc5d9aac5a7fb5eefdd1759005979',
-    model="meta-llama/Llama-3.3-70B-Instruct-Turbo-Free"
+    model="meta-llama/Llama-4-Maverick-17B-128E-Instruct-FP8"
 )
 
 chain = RetrievalQA.from_chain_type(