Decoding time string error

UnicodeDecodeError                            Traceback (most recent call last):
  File "/home/ckazzku/dev/python/orange/Orange/OrangeWidgets/OWWidget.py", line 179, in reportAndFinish
    self.finishReport()
  File "/home/ckazzku/dev/python/orange/Orange/OrangeWidgets/OWWidget.py", line 298, in finishReport
    sender=self)
  File "/home/ckazzku/dev/python/orange/Orange/OrangeWidgets/OWReport.py", line 186, in appendReport
    self.addEntry(widnode)
  File "/home/ckazzku/dev/python/orange/Orange/OrangeWidgets/OWReport.py", line 198, in addEntry
    widnode.time, widnode.data)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xd0 in position 0: ordinal not in range(128)