old_contents: import os
  
  from serenata_toolbox.datasets.contextmanager import status_message
  
  
  class LocalDatasets:
  
      def __init__(self, directory):
          if not all((os.path.exists(directory), os.path.isdir(directory))):
              raise FileNotFoundError('{} is not a directory'.format(directory))
  
          self.directory = os.path.abspath(directory)
  
      @property
      def all(self):
          yield from filter(os.path.isfile, os.listdir(self.directory))
  
      def delete(self, file_name):
          full_path = os.path.join(self.directory, file_name)
          if not all((os.path.exists(full_path), os.path.isfile(full_path))):
              raise FileNotFoundError('{} is not a flile'.format(full_path))
  
          with status_message('Deleting {}…'.format(file_name)):
              os.remove(full_path)
  
new_contents: import os
  
  from serenata_toolbox.datasets.contextmanager import status_message
  
  
  class LocalDatasets:
  
      def __init__(self, directory):
          if not all((os.path.exists(directory), os.path.isdir(directory))):
              raise FileNotFoundError('{} is not a directory'.format(directory))
  
          self.directory = os.path.abspath(directory)
  
      @property
      def all(self):
          yield from filter(self._is_file, os.listdir(self.directory))
  
      def delete(self, file_name):
          full_path = os.path.join(self.directory, file_name)
          if not all((os.path.exists(full_path), os.path.isfile(full_path))):
              raise FileNotFoundError('{} is not a flile'.format(full_path))
  
          with status_message('Deleting {}…'.format(file_name)):
              os.remove(full_path)
  
      def _is_file(self, filename):
          full_path = os.path.join(self.directory, filename)
          return os.path.isfile(full_path)
  
subject: Fix bug when listing local files