Using the :latest localstack, attempts to delete an SQS queue fail with the following error logged to the console.

```localstack_1                          | 2020-02-11T19:04:08:ERROR:localstack.services.generic_proxy: Error forwarding request: 'Attribute.1.Value' Traceback (most recent call last):
localstack_1                          |   File "/opt/code/localstack/localstack/services/generic_proxy.py", line 248, in forward
localstack_1                          |     path=path, data=data, headers=forward_headers)
localstack_1                          |   File "/opt/code/localstack/.venv/lib/python3.7/site-packages/localstack_ext/services/sqs/sqs_extended.py", line 30, in forward_request
localstack_1                          |   File "/opt/code/localstack/localstack/services/sqs/sqs_listener.py", line 60, in forward_request
localstack_1                          |     self._set_queue_attributes(queue_url, req_data)
localstack_1                          |   File "/opt/code/localstack/.venv/lib/python3.7/site-packages/localstack_ext/services/sqs/sqs_extended.py", line 73, in _set_queue_attributes
localstack_1                          |   File "/opt/code/localstack/localstack/services/sqs/sqs_listener.py", line 275, in _set_queue_attributes
localstack_1                          |     attrs = self._format_attributes(req_data)
localstack_1                          |   File "/opt/code/localstack/localstack/services/sqs/sqs_listener.py", line 237, in _format_attributes
localstack_1                          |     key_value = req_data[key2][0]
localstack_1                          | KeyError: 'Attribute.1.Value'```

I'm using terraform to manage my SQS queues and the deletion was triggered by renaming the queue.
scope = scope or PLUGIN_SCOPE_SERVICES
    if PLUGINS_LOADED.get(scope):
        return PLUGINS_LOADED[scope]
    setup_logging()
    loaded_files = []
    result = []
    for module in pkgutil.iter_modules():
        file_path = None
        if six.PY3 and not isinstance(module, tuple):
            file_path = '%s/%s/plugins.py' % (module.module_finder.path, module.name)
        elif six.PY3 or isinstance(module[0], pkgutil.ImpImporter):
            if hasattr(module[0], 'path'):
                file_path = '%s/%s/plugins.py' % (module[0].path, module[1])
        if file_path and file_path not in loaded_files:
            plugin_config = load_plugin_from_path(file_path, scope=scope)
            if plugin_config:
                result.append(plugin_config)
            loaded_files.append(file_path)
    
    PLUGINS_LOADED[scope] = result
    return result
def docker_container_running(container_name):