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运行显示错误，无法提取序列？

3

Traceback (most recent call last): File "src\handleGB.py", line 2748, in _exec File "src\handleGB.py", line 4043, in saveGeneralFile File "src\handleGB.py", line 1034, in align_order TypeError: 'NoneType' object is not iterable 分析质粒，但无法正常提取序列，遇到以上解释？