Fix ansible-test constraints for AWS.

changelogs/fragments/ansible-test-boto-constraints.yml

@@ -0,0 +1,2 @@
+bugfixes:
+    - ansible-test - Updated requirements to limit ``boto3`` and ``botocore`` versions on Python 2.6 to supported versions.

test/lib/ansible_test/_data/requirements/constraints.txt

@@ -37,7 +37,9 @@ xmltodict < 0.12.0 ; python_version < '2.7' # xmltodict 0.12.0 and later require
 lxml < 4.3.0 ; python_version < '2.7' # lxml 4.3.0 and later require python 2.7 or later
 pyvmomi < 6.0.0 ; python_version < '2.7' # pyvmomi 6.0.0 and later require python 2.7 or later
 pyone == 1.1.9 # newer versions do not pass current integration tests
-botocore >= 1.10.0 # adds support for the following AWS services: secretsmanager, fms, and acm-pca
+boto3 < 1.11 ; python_version < '2.7' # boto3 1.11 drops Python 2.6 support
+botocore >= 1.10.0, < 1.14 ; python_version < '2.7' # adds support for the following AWS services: secretsmanager, fms, and acm-pca; botocore 1.14 drops Python 2.6 support
+botocore >= 1.10.0 ; python_version >= '2.7' # adds support for the following AWS services: secretsmanager, fms, and acm-pca
 setuptools < 45 ; python_version <= '2.7' # setuptools 45 and later require python 3.5 or later
 
 # freeze pylint and its requirements for consistent test results