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5 changes: 2 additions & 3 deletions blue_st_sdk/features/feature_proximity.py
Original file line number Diff line number Diff line change
Expand Up @@ -203,16 +203,15 @@ def __str__(self):
Return:
str: A string representing the last sample.
"""
with lock(self):
sample = self._last_sample
sample = self._last_sample

if sample is None:
return self._name + ': Unknown'
if not sample._data:
return self._name + ': Unknown'

if len(sample._data) == 1:
distance = get_proximity_distance(sample)
distance = self.get_proximity_distance(sample)
if distance != self.OUT_OF_RANGE_VALUE:
result = '%s(%d): %s %s' \
% (self._name,
Expand Down