bt2: reverse order of printed causes in _Error.__str__

To match how the CLI prints them.

Change-Id: Ief913b119b169bf9f620531f8763db93e19bda27
Reviewed-on: https://review.lttng.org/c/babeltrace/+/2556
CI-Build: Simon Marchi <simon.marchi@efficios.com>
Tested-by: jenkins <jenkins@lttng.org>
Reviewed-by: Simon Marchi <simon.marchi@efficios.com>

diff --git a/src/bindings/python/bt2/bt2/error.py b/src/bindings/python/bt2/bt2/error.py
index 4e3e53f0314f7a7c5331d97cec45374ed3f48f46..a50827a85b3889d3c86b4fb780d20df4d20b0c0a 100644 (file)
--- a/src/bindings/python/bt2/bt2/error.py
+++ b/src/bindings/python/bt2/bt2/error.py
@@ -213,6 +213,6 @@ class _Error(Exception, abc.Sequence):
 
     def __str__(self):
         s = self._msg + '\n'
-        for c in self:
+        for c in reversed(self):
             s += str(c) + '\n'
         return s