[Python] How i can fix Cannot resolve keyword 'pub-date' into field. Choices are: choice, id,...

Python django

when I start local sever, I get

Cannot resolve keyword 'pub-date' into field. Choices are: choice, id, pub_date, question_text


how can i fix? window error

at first the problem was about directory, so I've looked up django slash documentation. and then i've got a new problem now..

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