问python排序函数似乎不适用于windows。

EN

Exception in Tkinter callback Traceback (most recent call last):
File "C:\Python33\lib\tkinter\__init__.py", line 1475, in __call__
    return self.func(*args)
File "Z:\bin\FDTSEfiles\HrsWonVal.py", line 470, in <lambda>
    Button(newOrExisting, text="OK", command=lambda: getnewOrExisting_File(U_cmd.get())).grid(row=5, column=1)
File "Z:\bin\FDTSEfiles\HrsWonVal.py", line 466, in getnewOrExisting_File
    reverseOrderAndFilterFile(existingFilePath)
File "Z:\bin\FDTSEfiles\HrsWonVal.py", line 510, in reverseOrderAndFilterFile
    sortedlist = sorted(data, key=operator.itemgetter(3))

# 3 specifies the 4th column - Date IndexError: list index out of range

data = csv.reader(open(reverseAndFilteredPathFileName),delimiter=',')
sortedlist = sorted(data, key=operator.itemgetter(3))   
with open(reverseAndFilteredPathFileName, "w") as f:
    fileWriter = csv.writer(f, delimiter=',')
    for row in sortedlist:
        fileWriter.writerow(row)
f.close()