Fixed possible syntax error

app.py

@@ -4,8 +4,8 @@ import ast
 mdl_name = "deepset/roberta-base-squad2"
 my_pipeline = pipeline('question-answering', model=mdl_name, tokenizer=mdl_name)
 def answer_question(question,context):
-    text= "{"+"'question': '"+question+"','context': '"+context+"'}"
-    di=ast.literal_eval(text)
+    text = "{"+"'question': '"+question+"','context': '"+context+"'}"
+    di = ast.literal_eval(text)
     response = my_pipeline(di)
     return response
 grad.Interface(answer_question, inputs=["text","text"], outputs="text").launch()