code: def is_disconnect(self, e, connection, cursor):
      return isinstance(
          e, self.dbapi.ProgrammingError
      ) and "Cannot operate on a closed database." in str(e)
  
imports: import math
  import os
  import re
  from .base import DATE
  from .base import DATETIME
  from .base import SQLiteDialect
  from ...None import exc
  from ...None import pool
  from ...None import types
  from ...None import util
label_desc: Use image node_id 8 for calling the SQLiteDialect_pysqlite obj's underlying member method code with example usage: obj.is_disconnect(e, connection, cursor) and returns: unknown