# Copyright 2017 Codethink Ltd.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


'''Utility functions.'''


def ensure_list(string_or_list):
    if isinstance(string_or_list, str):
        return [string_or_list]
    else:
        return string_or_list

@@ -630,16 +630,24 @@
 _or_list
+_or_none
 ):%0A    i
@@ -673,16 +673,24 @@
 _or_list
+_or_none
 , str):%0A
@@ -719,16 +719,24 @@
 _or_list
+_or_none
 %5D%0A    el
@@ -768,9 +768,23 @@
 _or_list
+_or_none or %5B%5D
 %0A

Fix crash when there are no includes for a task