# qc-check.py -rw-r--r-- 357 bytes View raw 
                                                                                
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[CellCheckFailure(reason='whitespace in the middle', contents='for\nyou', row=1, column=0), 
CellCheckFailure(reason='whitespace in the middle', contents='and\rfun', row=1, column=1), 
CellCheckFailure(reason='leading whitespace', contents=' leading', row=2, column=0), 
CellCheckFailure(reason='trailing whitespace', contents='trailing ', row=2, column=1)]