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-rw-r--r--src/argaze/DataFeatures.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/argaze/DataFeatures.py b/src/argaze/DataFeatures.py
index 26d88d4..611aa8b 100644
--- a/src/argaze/DataFeatures.py
+++ b/src/argaze/DataFeatures.py
@@ -758,7 +758,7 @@ def PipelineStepMethod(method):
timestamp: Optional method call timestamp (unit does'nt matter) if first args parameter is not a TimestampedObject instance.
unwrap: Extra arguments used in wrapper function to call wrapped method directly.
"""
- if timestamp is None:
+ if timestamp is None and len(args) > 0:
if isinstance(args[0], TimestampedObject):