code: def get_backends_versions(self):
          
          # We are not always have permission, so find open.
          for i in range(0, len(self.organizations)):
              try:
                  backends = self.organizations[i].environments['default'].backends
              except ApiAuthenticationError:
                  pass
              else:
                  break
          versions = dict([(x['name'], x['version']) for x in backends])
          return versions
docs: Get backends versions
          :return: dict containing name of backend and version.