##### SUMMARY
An invalid syntax within a jinja2 statement results in the statement being returned instead of an syntax error.

##### ISSUE TYPE
- Bug Report

##### COMPONENT NAME
jinja2

##### ANSIBLE VERSION
<!--- Paste verbatim output from "ansible --version" between quotes -->
```paste below
ansible 2.9.0.dev0
  config file = /etc/ansible/ansible.cfg
  configured module search path = ['/home/user/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /home/user/PycharmProjects/ansible-2/lib/ansible
  executable location = /home/user/PycharmProjects/ansible-2/bin/ansible
  python version = 3.7.3 (default, Mar 26 2019, 21:43:19) [GCC 8.2.1 20181127]
```

##### CONFIGURATION

##### OS / ENVIRONMENT

ArchLinux

##### STEPS TO REPRODUCE

```yaml
- name: Test
  hosts: localhost
  gather_facts: false
  become: false
  strategy: linear
  tasks:
    - debug:
        msg: "{{ foo | ipaddr('address')) }}"
```

##### EXPECTED RESULTS

Syntax error (two closing `)`-characters)

##### ACTUAL RESULTS

```paste below
ok: [localhost] => {
    "msg": "{{ foo | ipaddr('address')) }}"
}
```

@sivel 
implicit_blocks = []
            while block_ds is not None and not Block.is_block(block_ds):
                implicit_blocks.append(block_ds)
                i += 1
                
                next(count, None)
                try:
                    block_ds = ds[i]
                except IndexError:
                    block_ds = None
            
            for b in (implicit_blocks, block_ds):
                if b:
                    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):