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-rw-r--r--buildstream/utils.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/buildstream/utils.py b/buildstream/utils.py
index 943346689..3d8bd62ca 100644
--- a/buildstream/utils.py
+++ b/buildstream/utils.py
@@ -645,6 +645,7 @@ def _pretty_size(size, dec_places=0):
psize /= 1024
return "{size:g}{unit}".format(size=round(psize, dec_places), unit=unit)
+
# A sentinel to be used as a default argument for functions that need
# to distinguish between a kwarg set to None and an unset kwarg.
_sentinel = object()