def __repr__(self):
        fields = ((k, v) % '%s=%r' for k, v in zip(self.field_names, self.to_tuple()) if v not in (None, ''))
        return 'BedRecord(%s)' % ', '.join(fields)
dataset/ETHPy150Open bioinformed/vgraph/vgraph/bed.py/BedRecord.__repr__/swapped operands of `%`