Fix open-telemetry#3089 'histograms are dissapearing'

DraggonFantasy · Feb 22, 2023 · e40098a · e40098a
1 parent c757e4a
commit e40098a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/opentelemetry-sdk/src/opentelemetry/sdk/metrics/_internal/aggregation.py b/opentelemetry-sdk/src/opentelemetry/sdk/metrics/_internal/aggregation.py
@@ -275,7 +275,7 @@ def collect(
         """
         with self._lock:
             if not any(self._bucket_counts):
-                return None
+                return self._previous_point
 
             bucket_counts = self._bucket_counts
             start_time_unix_nano = self._start_time_unix_nano