Fix variable name error

app.py

@@ -9,7 +9,7 @@ text2text_generator = pipeline("text-generation", model=model, tokenizer=tokeniz
 
 def predict(text):
     text = text.strip()
-    out_text = text2text_generator(input_text, max_length=384, 
+    out_text = text2text_generator(text, max_length=384, 
                               temperature=0.7, 
                               do_sample=True,
                               eos_token_id = tokenizer.eos_token_id,