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

```
lib/ansible/playbook/helpers.py:158:20: ansible-deprecated-version: Deprecated version ('2.12') found in call to Display.deprecated or AnsibleModule.deprecate (0%)
lib/ansible/playbook/helpers.py:255:24: ansible-deprecated-version: Deprecated version ('2.12') found in call to Display.deprecated or AnsibleModule.deprecate (0%)
lib/ansible/playbook/helpers.py:298:24: ansible-deprecated-version: Deprecated version ('2.12') found in call to Display.deprecated or AnsibleModule.deprecate (0%)
lib/ansible/playbook/helpers.py:336:20: 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/playbook/helpers.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

block_list.append(
                        Block.load(
                            b,
                            play=play,
                            parent_block=parent_block,
                            role=role,
                            task_include=task_include,
                            use_handlers=use_handlers,
                            variable_manager=variable_manager,
                            loader=loader,
                        )
                    )
    return block_list
def load_list_of_tasks(ds, play, block=None, role=None, task_include=None, use_handlers=False, variable_manager=None, loader=None):
    '''
    Given a list of task datastructures (parsed from YAML),
    return a list of Task() or TaskInclude() objects.
    '''
    
    from ansible.playbook.block import Block
    from ansible.playbook.handler import Handler
    from ansible.playbook.task import Task
    from ansible.playbook.task_include import TaskInclude
    from ansible.playbook.role_include import IncludeRole
    from ansible.playbook.handler_task_include import HandlerTaskInclude
    from ansible.template import Templar
    if not isinstance(ds, list):
        raise AnsibleAssertionError('The ds (%s) should be a list but was a %s' % (ds, type(ds)))
    task_list = []
    for task_ds in ds: