def METHOD_NAME(self) -> Set[Text]:
    """Returns the paths which should be searched for training data."""
    # only include extra paths if they are not part of the current project directory
    METHOD_NAME = {
        i
        for i in self._imports
        if not self._project_directory or self._project_directory not in i
    }
    if self._project_directory:
        METHOD_NAME.add(self._project_directory)
    return METHOD_NAME