Remove all usage of ansible.module_utils.six from main branch (#10888)

* Get rid of all six.moves imports.

* Get rid of iteritems.

* Get rid of *_type(s) aliases.

* Replace StringIO import.

* Get rid of PY2/PY3 constants.

* Get rid of raise_from.

* Get rid of python_2_unicode_compatible.

* Clean up global six imports.

* Remove all usage of ansible.module_utils.six.

* Linting.

* Fix xml module.

* Docs adjustments.

plugins/module_utils/oneview.py

@@ -15,6 +15,7 @@ import abc
 import collections
 import json
 import traceback
+from collections.abc import Mapping
 
 HPE_ONEVIEW_IMP_ERR = None
 try:
@@ -24,10 +25,8 @@ except ImportError:
     HPE_ONEVIEW_IMP_ERR = traceback.format_exc()
     HAS_HPE_ONEVIEW = False
 
-from ansible.module_utils import six
 from ansible.module_utils.basic import AnsibleModule, missing_required_lib
 from ansible.module_utils.common.text.converters import to_native
-from ansible.module_utils.six.moves.collections_abc import Mapping
 
 
 def transform_list_to_dict(list_):
@@ -128,7 +127,7 @@ class OneViewModuleException(Exception):
         self.msg = None
         self.oneview_response = None
 
-        if isinstance(data, six.string_types):
+        if isinstance(data, str):
             self.msg = data
         else:
             self.oneview_response = data
@@ -178,8 +177,7 @@ class OneViewModuleResourceNotFound(OneViewModuleException):
     pass
 
 
-@six.add_metaclass(abc.ABCMeta)
-class OneViewModuleBase(object):
+class OneViewModuleBase(object, metaclass=abc.ABCMeta):
     MSG_CREATED = 'Resource created successfully.'
     MSG_UPDATED = 'Resource updated successfully.'
     MSG_DELETED = 'Resource deleted successfully.'