Update app.py

app.py

@@ -68,13 +68,18 @@ def stream_chat(message: str, history: list, temperature: float, context_window:
     response = client.chat(
         model="gemma2",
         messages=conversation,
-        stream=True
+        stream=True,
+        temperature=temperature,
+        top_k=top_k,
+        top_p=top_p,
+        num_ctx=context_window,
+        repeat_penalty=penalty,
     )
 
-    message = ""
+    buffer = ""
     for chunk in response:
-        message += chunk["message"]["content"]
-        yield "", message
+        buffer += chunk["message"]["content"]
+        yield buffer