在android中获取Typeerror的csrf验证

I am working an app in which i need csrftoken verification. I am receiving the cookie in each request and return again it in each request. The request in which i need csrf verification is below. I am sending the csrf in header and cookie also using localcontext. but i am getting Typeerror. the detail error given below. same as when I am sending only the csrftoken in header and no cookie with request its getting 403forbidden csrf verification failed. please help me tfo solve the issue.....I am working an app in which i need csrftoken v