Add explanatory comment

open-telemetry · Sep 7, 2023 · 58d1216 · 58d1216
1 parent cb97ad3
commit 58d1216
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/opentelemetry-sdk/src/opentelemetry/sdk/metrics/_internal/_view_instrument_match.py b/opentelemetry-sdk/src/opentelemetry/sdk/metrics/_internal/_view_instrument_match.py
@@ -136,4 +136,8 @@ def collect(
                 )
                 if data_point is not None:
                     data_points.append(data_point)
+
+        # Returning here None instead of an empty list because the caller
+        # does not consume a sequence and to be consistent with the rest of
+        # collect methods that also return None.
         return data_points or None