Update app.py

app.py

@@ -214,12 +214,13 @@ class OptimizedRAGLoader:
 #     streaming=True,
 # )
 
-DEEPSEEK_KEY = os.getenv("DEEPSEEK_KEY")
+deepseek_api_key = os.getenv("DEEPSEEK_KEY")
 
 llm = ChatDeepSeek(
     model="deepseek-chat",
     temperature=0,
-    api_key=DEEPSEEK_KEY
+    api_key=deepseek_api_key,
+    streaming=True,
 )
 
 rag_loader = OptimizedRAGLoader()