Fixing broken imports and get_exception for ipa

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

lib/ansible/modules/identity/ipa/ipa_hbacrule.py

@@ -1,19 +1,10 @@
 #!/usr/bin/python
 # -*- coding: utf-8 -*-
-# This file is part of Ansible
-#
-# Ansible is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# Ansible is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
+# Copyright: (c) 2017, Ansible Project
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
 
 ANSIBLE_METADATA = {'metadata_version': '1.0',
                     'status': ['preview'],
@@ -171,9 +162,11 @@ hbacrule:
   type: dict
 '''
 
+import traceback
+
 from ansible.module_utils.basic import AnsibleModule
-from ansible.module_utils.pycompat24 import get_exception
 from ansible.module_utils.ipa import IPAClient
+from ansible.module_utils._text import to_native
 
 
 class HBACRuleIPAClient(IPAClient):
@@ -374,9 +367,8 @@ def main():
                      password=module.params['ipa_pass'])
         changed, hbacrule = ensure(module, client)
         module.exit_json(changed=changed, hbacrule=hbacrule)
-    except Exception:
-        e = get_exception()
-        module.fail_json(msg=str(e))
+    except Exception as e:
+        module.fail_json(msg=to_native(e), exception=traceback.format_exc())
 
 
 if __name__ == '__main__':