bt2: message_iterator.py: packet beginning/end messages have a single CS

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Change-Id: Ia650a2e33483a999216aaf15dccecc5196bb4876
Reviewed-on: https://review.lttng.org/c/babeltrace/+/1483
Reviewed-by: Simon Marchi <simon.marchi@efficios.com>

diff --git a/src/bindings/python/bt2/bt2/message_iterator.py b/src/bindings/python/bt2/bt2/message_iterator.py
index e5199290b06b62ffa90df818b6d82cfe5215ad37..bde3afa054a11a1ca4265fae050fd7f9df0ba8e6 100644 (file)
--- a/src/bindings/python/bt2/bt2/message_iterator.py
+++ b/src/bindings/python/bt2/bt2/message_iterator.py
@@ -239,14 +239,14 @@ class _UserMessageIterator(_MessageIterator):
 
         if packet.stream.cls.packets_have_beginning_default_clock_snapshot:
             if default_clock_snapshot is None:
-                raise ValueError("packet beginning messages in this stream must have a default clock snapshots")
+                raise ValueError("packet beginning messages in this stream must have a default clock snapshot")
 
             utils._check_uint64(default_clock_snapshot)
             ptr = native_bt.message_packet_beginning_create_with_default_clock_snapshot(
                 self._ptr, packet._ptr, default_clock_snapshot)
         else:
             if default_clock_snapshot is not None:
-                raise ValueError("packet beginning messages in this stream must not have a default clock snapshots")
+                raise ValueError("packet beginning messages in this stream must not have a default clock snapshot")
 
             ptr = native_bt.message_packet_beginning_create(self._ptr, packet._ptr)
 
@@ -260,14 +260,14 @@ class _UserMessageIterator(_MessageIterator):
 
         if packet.stream.cls.packets_have_end_default_clock_snapshot:
             if default_clock_snapshot is None:
-                raise ValueError("packet end messages in this stream must have a default clock snapshots")
+                raise ValueError("packet end messages in this stream must have a default clock snapshot")
 
             utils._check_uint64(default_clock_snapshot)
             ptr = native_bt.message_packet_end_create_with_default_clock_snapshot(
                 self._ptr, packet._ptr, default_clock_snapshot)
         else:
             if default_clock_snapshot is not None:
-                raise ValueError("packet end messages in this stream must not have a default clock snapshots")
+                raise ValueError("packet end messages in this stream must not have a default clock snapshot")
 
             ptr = native_bt.message_packet_end_create(self._ptr, packet._ptr)