fix: best of can't be more than 2

app.py

@@ -130,7 +130,7 @@ def generate(
         repetition_penalty=repetition_penalty,
         stop_sequences=stop_sequences,
         do_sample=True,
-        best_of=5,
+        best_of=2,
         top_k=100,
         typical_p=0.9,
         #seed=seed,