lib: prepare the ground for stateful query operations

[babeltrace.git] / src / bindings / python / bt2 / bt2 / trace_collection_message_iterator.py

diff --git a/src/bindings/python/bt2/bt2/trace_collection_message_iterator.py b/src/bindings/python/bt2/bt2/trace_collection_message_iterator.py
index f7b819d9af1c59c6579abd855fe5ca66f944a94f..fd579068e10abab6538c559fc80d546951158f4c 100644 (file)
--- a/src/bindings/python/bt2/bt2/trace_collection_message_iterator.py
+++ b/src/bindings/python/bt2/bt2/trace_collection_message_iterator.py
@@ -160,10 +160,10 @@ class TraceCollectionMessageIterator(bt2_message_iterator._MessageIterator):
         # query the port's component for the `babeltrace.trace-info`
         # object which contains the stream intersection range for each
         # exposed trace
-        query_exec = bt2.QueryExecutor()
-        trace_info_res = query_exec.query(
+        query_exec = bt2.QueryExecutor(
             src_comp_and_spec.comp.cls, 'babeltrace.trace-info', params
         )
+        trace_info_res = query_exec.query()
         begin = None
         end = None