def seek_end_of_string(module_data, start_line, start_col, next_node_line, next_node_col):
 raise NotImplementedError('Finding end of string not yet implemented')

def seek_end_of_string ( module_data , start_line , start_col , next_node_line , next_node_col ) : raise NotImplementedError ( 'Finding end of string not yet implemented' )
this is much trickier than finding the end of a dict .