Avoid test runner crash when we have no tty

Change-Id: I6dac94a98b9125d3371c19fa14a0de9b4e766820
Signed-off-by: Zane Bitter <zbitter@redhat.com>

diff --git a/heat/testing/runner.py b/heat/testing/runner.py
index e63049910e7b70a756a47d1d7c02c214580ed29d..6327cf2d81662978ec51637ce80c888844567452 100755 (executable)
--- a/heat/testing/runner.py
+++ b/heat/testing/runner.py
@@ -101,7 +101,6 @@ class _AnsiColorizer(object):
                     curses.setupterm()
                     return curses.tigetnum("colors") > 2
             except Exception:
-                raise
                 # guess false in case of error
                 return False
     supported = classmethod(supported)