code: def get_configured_providers(self):
          '''
          Return the configured providers
          '''
          providers = set()
          for alias, drivers in six.iteritems(self.opts['providers']):
              if len(drivers) > 1:
                  for driver in drivers:
                      providers.add('{0}:{1}'.format(alias, driver))
                  continue
              providers.add(alias)
          return providerf get_configured_providers(self):
          '''
          Return the configured providers
          '''
          providers = set()
          for alias, drivers in six.iteritems(self.opts['providers']):
              if len(drivers) > 1:
                  for driver in drivers:
                      providers.add('{0}:{1}'.format(alias, driver))
                  continue
              providers.add(alias)
          return providers
docs: Return the configured providers