code: def load_modules(self):
          
          module_folder = os.path.join(os.path.dirname(__file__),
                                       '..', 'modules')
          module_dirs = {
              'gandi.cli': module_folder
          }
  
          if 'GANDICLI_PATH' in os.environ:
              for _path in os.environ.get('GANDICLI_PATH').split(':'):
                  # remove trailing separator if any
                  path = _path.rstrip(os.sep)
                  module_dirs[os.path.basename(path)] = os.path.join(path,
                                                                     'modules')
  
          for module_basename, dir in list(module_dirs.items()):
              for filename in sorted(os.listdir(dir)):
                  if filename.endswith('.py') and '__init__' not in filename:
                      submod = filename[:-3]
                      module_name = module_basename + '.modules.' + submod
                      __import__(module_name, fromlist=[module_name])
  
          # save internal map of loaded module classes
          for subclass in GandiModule.__subclasses__():
              self._modules[subclass.__name__.lower()] = subclass
docs: Import CLI commands modules.