我遇到了一个问题，即无法将一部分API重定向到本地计算机上的docusign页面，该页面需要先签名才能发布到区块链上。
我正在Windows系统Python 3.6上运行它，并收到错误“ / getcontract /处的APIException”
#python
DOCU_USER_NAME = 'panchu.prodhan@hotmail.com'
DOCU_ACCESS_TOKEN = 'eyJ0eXAiOiJNVCIsImFsZyI6IlJTMjU2Iiwia2lkIjoiNjgxODVmZjEtNGU1MS00Y2U5LWFmMWMtNjg5ODEyMjAzMzE3In0.AQoAAAABAAUABwAAI9M-ADHXSAgAAGP2TEMx10gCAEzBnBSwfiBNkPalvQTMnsgVAAEAAAAYAAkAAAAFAAAAKwAAAC0AAAAvAAAAMQAAADIAAAA4AAAAMwAAADUAAAANACQAAABmMGYyN2YwZS04NTdkLTRhNzEtYTRkYS0zMmNlY2FlM2E5NzgSAAEAAAALAAAAaW50ZXJhY3RpdmUwAIBfCT0AMddINwA5Gqq6NhQDS7B2eVKVgm-u.ex_1Ue1Q7TWr8hpLgbyOrZva7bis6ewCVTiJbhrTjWEj3UkAcu2Aa74EOXa7QBnO8lvoAod1zKPzS53FdTxP_2LTAM75c5DhBGMxaunLPW2dWMvQx-ZpMEsIR59lQwG0R3i-H_89zuUuk6ceaTESuxw5bzHUbm0Uf-U0x_6YlkRsMulZuUazpH89uqA0pqwSBAcDtZwiGk6btKOr3gEzNikVvg_hcNzjVqSF-I0e1vzECRA_7EeKEOLB5YxTU9IBdz5bquiyIZ1pAYR3CSuz0pIq6_UabOAA2zv1smu9SG8PZIq4V5QC73_W_zlo0ijFA0qtu_0rcJagLTwAwpRCcA'
DOCU_ACCOUNT_ID = 'c9c6c99f-xxxx-4ccc-xxxx-2efe28cc8fb6'
DOCU_ACCOUNT_USERNAME = '149cc14c-xxxx-4d20-xxxx-a5bd04cc9ec8'
DOCU_REDIRECT_URL = 'http://localhost:8000/redirect_api/'
DOCU_BASE_URL = 'https://demo.docusign.net/restapi'
DOCU_INTEGRATOR_KEY = '0dde9d7f-xxxx-4ad9-xxxx-58a0d35616b9'
DOCU_OAUTH_BASE_URL = "account-d.docusign.com"
DOCU_PRIVATE_KEY = os.path.join(BASE_DIR, 'keys', 'private_key')
DOCU_CLIENT_ID = '123'
DOCU_AUTH_METHOD = 'None'
输出应显示供应商批准的合同