parameters: (self, e, connection, cursor)
docstring: Return True if the given DB-API error indicates an invalid
          connection
docstring_summary: Return True if the given DB-API error indicates an invalid
          connection
docstring_tokens: Return True if the given DB - API error indicates an invalid connection
function: def is_disconnect(self, e, connection, cursor):
          """Return True if the given DB-API error indicates an invalid
          connection"""
  
          raise NotImplementedError()
function_tokens: def is_disconnect ( self , e , connection , cursor ) : raise NotImplementedError ( )