text: import os
  import pathlib
  
  import marshmallow as ma
  from environs import Env
  
  
  os.environ["STATIC_PATH"] = "app/static"
  
  
  class PathField(ma.fields.Field):
      def _deserialize(self, value, *args, **kwargs):
          return pathlib.Path(value)
  
      def _serialize(self, value, *args, **kwargs):
          return str(value)
  
  
  env = Env()
  env.parser_from_field("path", PathField)
  
  static_path = env.path("STATIC_PATH")
  assert isinstance(static_path, pathlib.Path)
  
  print(env.dump())
  