code: def _uniq(self):
          
          _detections = []
          [_detections.append(d) for d in self.detections
           if not _detections.count(d)]
          self.detections = _detections
          return self
docs: Get list of unique detections.
          Works in place.
  
          .. rubric:: Example
  
          >>> family = Family(
          ...     template=Template(name='a'), detections=[
          ...     Detection(template_name='a', detect_time=UTCDateTime(0),
          ...               no_chans=8, detect_val=4.2, threshold=1.2,
          ...               typeofdet='corr', threshold_type='MAD',
          ...               threshold_input=8.0),
          ...     Detection(template_name='a', detect_time=UTCDateTime(0) + 10,
          ...               no_chans=8, detect_val=4.5, threshold=1.2,
          ...               typeofdet='corr', threshold_type='MAD',
          ...               threshold_input=8.0),
          ...     Detection(template_name='a', detect_time=UTCDateTime(0) + 10,
          ...               no_chans=8, detect_val=4.5, threshold=1.2,
          ...               typeofdet='corr', threshold_type='MAD',
          ...               threshold_input=8.0)])
          >>> len(family)
          3
          >>> len(family._uniq())
          2