##### SUMMARY
strategy contains call to Display.deprecated or AnsibleModule.deprecate and is scheduled for removal

```
lib/ansible/plugins/strategy/__init__.py:937:16: ansible-deprecated-version: Deprecated version ('2.12') found in call to Display.deprecated or AnsibleModule.deprecate (0%)
```

##### ISSUE TYPE
 - Bug Report

##### COMPONENT NAME
```
lib/ansible/plugins/strategy/__init__.py
```

##### ANSIBLE VERSION
```
2.12
```

##### CONFIGURATION
N/A

##### OS / ENVIRONMENT
N/A

##### STEPS TO REPRODUCE
N/A

##### EXPECTED RESULTS
N/A

##### ACTUAL RESULTS
N/A

group_name = self._inventory.add_group(group_name)
        for name in parent_group_names:
            if name not in self._inventory.groups:
                
                self._inventory.add_group(name)
                changed = True
        group = self._inventory.groups[group_name]
        for parent_group_name in parent_group_names:
            parent_group = self._inventory.groups[parent_group_name]
            new = parent_group.add_child_group(group)
            if new and not changed:
                changed = True
        if real_host not in group.get_hosts():
            changed = group.add_host(real_host)
        if group not in real_host.get_groups():
            changed = real_host.add_group(group)
        if changed:
            self._inventory.reconcile_inventory()
        result_item['changed'] = changed
    def _copy_included_file(self, included_file):
        '''
        A proven safe and performant way to create a copy of an included file
        '''
        ti_copy = included_file._task.copy(exclude_parent=True)
        ti_copy._parent = included_file._task._parent
        temp_vars = ti_copy.vars.copy()
        temp_vars.update(included_file._vars)
        ti_copy.vars = temp_vars
        return ti_copy
    def _load_included_file(self, included_file, iterator, is_handler=False):