text: from typing import Optional, Callable, List, Tuple
  
  from mypy.plugin import Plugin
  from mypy.nodes import MypyFile
  
  
  class DepsPlugin(Plugin):
      def get_additional_deps(self, file: MypyFile) -> List[Tuple[int, str, int]]:
          if file.fullname() == '__main__':
              return [(10, 'err', -1)]
          return []
  
  
  def plugin(version):
      return DepsPlugin
  