SSO KEYCLOAK : wrong file is called among python backends

For more than a week my configuration of the keycloak plugin is broken, it worked very well before.

After consulting the logs, I realize that it is the oauth.py file which is called instead of that of keycloak in the backend.

my configuration of the keycloak plugin

name: keycloak
version: 0.1.0
patches:
  common-env-features: |
    "ENABLE_THIRD_PARTY_AUTH": true
  openedx-lms-common-settings: |
    SOCIAL_AUTH_KEYCLOAK_KEY = '$SOCIAL_AUTH_KEYCLOAK_KEY'
    SOCIAL_AUTH_KEYCLOAK_SECRET = '$SOCIAL_AUTH_KEYCLOAK_SECRET'
    SOCIAL_AUTH_KEYCLOAK_PUBLIC_KEY = '$SOCIAL_AUTH_KEYCLOAK_PUBLIC_KEY'
    SOCIAL_AUTH_KEYCLOAK_AUTHORIZATION_URL = '$SOCIAL_AUTH_KEYCLOAK_AUTHORIZATION_URL'
    SOCIAL_AUTH_KEYCLOAK_ACCESS_TOKEN_URL = '$SOCIAL_AUTH_KEYCLOAK_AUTHORIZATION_URL'
    SOCIAL_AUTH_KEYCLOAK_ID_KEY = '$SOCIAL_AUTH_KEYCLOAK_ID_KEY',
    SOCIAL_AUTH_OAUTH_SECRETS= { "keycloak": "$SOCIAL_AUTH_KEYCLOAK_SECRET" }
  lms-env: |
    "THIRD_PARTY_AUTH_BACKENDS": [
      "social_core.backends.keycloak.KeycloakOAuth2"
    ]
  openedx-auth: |
    "keycloak": "$SOCIAL_AUTH_KEYCLOAK_SECRET"

the error after authentication on keycloak
after_login (2).PNG