Update app.py

app.py

@@ -48,7 +48,7 @@ def generate(
                      alpha_frequency = countPenalty,
                      alpha_presence = presencePenalty,
                      token_ban = [], # ban the generation of some tokens
-                     token_stop = [0]) # stop generation whenever you see any token here
+                     token_stop = [0, 261]) # stop generation whenever you see any token here
     ctx = ctx.strip()
     all_tokens = []
     out_last = 0