Bump min ansible-core version to 2.15.0

Signed-off-by: NilashishC <[email protected]>

README.md

@@ -12,7 +12,7 @@ The modules with full support for Cisco MDS are tested against NX-OS 8.4(1) on M
 <!--start requires_ansible-->
 ## Ansible version compatibility
 
-This collection has been tested against following Ansible versions: **>=2.14.0**.
+This collection has been tested against following Ansible versions: **>=2.15.0**.
 
 For collections that support Ansible 2.9, please ensure you update your `network_os` to use the
 fully qualified collection name (for example, `cisco.ios.ios`).

changelogs/fragments/bump_215.yaml

@@ -0,0 +1,6 @@
+---
+release_summary: >
+  Starting from this release, the minimum `ansible-core` version this collection requires is `2.15.0`.
+  The last known version compatible with ansible-core<2.15 is v8.1.0.
+major_changes:
+  - Bumping `requires_ansible` to `>=2.15.0`, since previous ansible-core versions are EoL now.

meta/runtime.yml

@@ -1,5 +1,5 @@
 ---
-requires_ansible: ">=2.14.0"
+requires_ansible: ">=2.15.0"
 plugin_routing:
   modules:
     aaa_server:

tests/unit/modules/network/nxos/test_nxos.py

@@ -22,14 +22,8 @@
 __metaclass__ = type
 
 from os import path
-
-
-try:
-    from unittest.mock import MagicMock
-except ImportError:
-    from mock import MagicMock
-
 from unittest import TestCase
+from unittest.mock import MagicMock
 
 from ansible.module_utils._text import to_bytes, to_text