Protect vs None when calling regex

Change-Id: I93d22442c28e674433234d7729838944962bdbe2
Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/xtesting/ci/tier_builder.py b/xtesting/ci/tier_builder.py
index 66ad325..67c5b08 100644 (file)
--- a/xtesting/ci/tier_builder.py
+++ b/xtesting/ci/tier_builder.py
@@ -63,7 +63,8 @@ class TierBuilder(object):
                 else:
                     for dependency in dic_testcase['dependencies']:
                         kenv = dependency.keys()[0]
-                        if not re.search(dependency[kenv], env.get(kenv)):
+                        if not re.search(dependency[kenv],
+                                         env.get(kenv) or ''):
                             testcase.skipped = True
                             tier.skip_test(testcase)
                             break