old_contents: 
  from app.notify_client import _attach_current_user, NotifyAdminAPIClient
  
  
  class ProviderClient(NotifyAdminAPIClient):
      def __init__(self):
          super().__init__("a", "b", "c")
  
      def init_app(self, app):
          self.base_url = app.config['API_HOST_NAME']
          self.service_id = app.config['ADMIN_CLIENT_USER_NAME']
          self.api_key = app.config['ADMIN_CLIENT_SECRET']
  
      def get_all_providers(self):
          return self.get(
              url='/provider-details'
          )
  
      def get_provider_by_id(self, provider_id):
          return self.get(
              url='/provider-details/{}'.format(provider_id)
          )
  
      def update_provider(self, provider_id, priority):
          data = {
              "priority": priority
          }
          data = _attach_current_user(data)
          return self.post(url='/provider-details/{}'.format(provider_id), data=data)
  
new_contents: 
  from app.notify_client import _attach_current_user, NotifyAdminAPIClient
  
  
  class ProviderClient(NotifyAdminAPIClient):
      def __init__(self):
          super().__init__("a", "b", "c")
  
      def init_app(self, app):
          self.base_url = app.config['API_HOST_NAME']
          self.service_id = app.config['ADMIN_CLIENT_USER_NAME']
          self.api_key = app.config['ADMIN_CLIENT_SECRET']
  
      def get_all_providers(self):
          return self.get(
              url='/provider-details'
          )
  
      def get_provider_by_id(self, provider_id):
          return self.get(
              url='/provider-details/{}'.format(provider_id)
          )
  
      def get_provider_versions(self, provider_id):
          return self.get(
              url='/provider-details/{}/versions'.format(provider_id)
          )
  
      def update_provider(self, provider_id, priority):
          data = {
              "priority": priority
          }
          data = _attach_current_user(data)
          return self.post(url='/provider-details/{}'.format(provider_id), data=data)
  
subject: Add provider client method to get provider version history