docs: def verify_tops(self, tops):
          '''
          Verify the contents of the top file data
          '''
          errors = []
          if not isinstance(tops, dict):
              errors.append('Top data was not formed as a dict')
              # No further checks will work, bail out
              return errors
          for saltenv, matches in six.iteritems(tops):
              if saltenv == 'include':
                  continue
              if not isinstance(saltenv, six.string_types):
                  errors.append(
                      'Environment {0} in top file is not formed as a '
                      'string'.format(saltenv)
                  )
              if saltenv == '':
                  errors.append('Empty saltenv statement in top file')
              if not isinstance(matches, dict):
                  errors.append(
                      'The top file matches for saltenv {0} are not '
                      'formatted as a dict'.format(saltenv)
                  )
              for slsmods in six.itervalues(matches):
                  if not isinstance(slsmods, list):
                      errors.append('Malformed topfile (state declarations not '
                                    'formed as a list)')
                      continue
                  for slsmod in slsmods:
                      if isinstance(slsmod, dict):
                          # This value is a match option
                          for val in six.itervalues(slsmod):
                              if not val:
                                  errors.append(
                                      'Improperly formatted top file matcher '
                                      'in saltenv {0}: {1} file'.format(
                                          slsmod,
                                          val
                                      )
                                  )
                      elif isinstance(slsmod, six.string_types):
                          # This is a sls module
                          if not slsmod:
                              errors.append(
                                  'Environment {0} contains an empty sls '
                                  'index'.format(saltenv)
                              )
  
          return errors