fix: yield correct value

app.py

@@ -12,19 +12,14 @@ def respond(
     top_p: float,
     top_k: int
 ):
-    yield [
-        {
-            "role": "assistant",
-            "content": pipe(
-                message,
-                max_new_tokens=max_new_tokens,
-                do_sample=True,
-                temperature=temperature,
-                top_p=top_p,
-                top_k=top_k
-            )['generated_text']
-        }
-    ]
+    yield pipe(
+        message,
+        max_new_tokens=max_new_tokens,
+        do_sample=True,
+        temperature=temperature,
+        top_p=top_p,
+        top_k=top_k
+    )[0]['generated_text']
 
 
 """