code: def get_pythonpath(self, at_start=False):
          
          if at_start:
              current_path = self.get_option('current_project_path',
                                             default=None)
          else:
              current_path = self.get_active_project_path()
          if current_path is None:
              return []
          else:
              return [current_path]
docs: Get project path as a list to be added to PYTHONPATH