fix: return generated text of json if none

app.py

@@ -18,7 +18,7 @@ def respond(english_text):
     except KeyError:
         output = response
         
-    return response 
+    return output 
 
 app = gr.Interface(fn=respond, inputs="text", outputs="text", title="Terjman-Nano 👨‍💻 😊", description="Translate English text to Moroccan Darija using our smallest model (77M) 🤗")