code: def get_debug_info():
          
          from . import __version__
          d = OrderedDict()
          d['Version'] = '%s' % __version__
  
          for key, val in PyVisaLibrary.get_session_classes().items():
              key_name = '%s %s' % (key[0].name.upper(), key[1])
              try:
                  d[key_name] = getattr(val, 'session_issue').split('\n')
              except AttributeError:
                  d[key_name] = 'Available ' + val.get_low_level_info()
  
          return d
docs: Return a list of lines with backend info.