def copy( self ):
        cpy = copy.copy( self )
        cpy.parseAction = self.parseAction[:]
        cpy.ignoreExprs = self.ignoreExprs[:]
        if self.copyDefaultWhiteChars:
            cpy.whiteChars = ParserElement.DEFAULT_WHITE_CHARS
        return cpy
Successful import creates a caseversion with expected values.
dataset/ETHPy150Open pypa/pip/pip/_vendor/pyparsing.py/ParserElement.copy--crossover with--dataset/ETHPy150Open mozilla/moztrap/tests/model/library/test_importer.py/ImporterTest.test_create_caseversion