Update app.py

app.py

@@ -42,7 +42,7 @@ def extend(input_text, max_size=20, top_k=50, top_p=0.95):
     max_length=max_size + len(encoded_prompt[0]),
     top_k=top_k, 
     top_p=top_p, 
-    do_sample=do)sample,
+    do_sample=do_sample,
     repetition_penalty=25.0,
     num_return_sequences=1)