From da9f4230a8c206a872f336333cfeae1996f02e50 Mon Sep 17 00:00:00 2001
From: Christophe Bedard <bedard.christophe@gmail.com>
Date: Thu, 9 Jan 2020 20:57:08 -0500
Subject: [PATCH] Print to stderr instead of raising error if version does not
 match

---
 tracetools_trace/tracetools_trace/tools/lttng.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tracetools_trace/tracetools_trace/tools/lttng.py b/tracetools_trace/tracetools_trace/tools/lttng.py
index 6bcd0cb..782b9cf 100644
--- a/tracetools_trace/tracetools_trace/tools/lttng.py
+++ b/tracetools_trace/tracetools_trace/tools/lttng.py
@@ -29,8 +29,9 @@ try:
     current_version = _lttng.get_version()
     LTTNG_MIN_VERSION = '2.10.7'
     if current_version is None or current_version < StrictVersion(LTTNG_MIN_VERSION):
-        raise RuntimeError(
-            f'lttng module version >={LTTNG_MIN_VERSION} required, found {str(current_version)}'
+        print(
+            f'lttng module version >={LTTNG_MIN_VERSION} required, found {str(current_version)}',
+            file=sys.stderr,
         )
 except ImportError:
     # Fall back on stub functions so that this still passes linter checks