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.
if hasattr(pip_mod, 'main'):
        return pip_mod.main(args)
    import pip._internal
    if hasattr(pip._internal, 'main'):
        return pip._internal.main(args)
    import pip._internal.main
    return pip._internal.main.main(args)
def load_plugin_from_path(file_path, scope=None):
    if os.path.exists(file_path):
        module = re.sub(r'(^|.+/)([^/]+)/plugins.py', r'\2', file_path)
        method_name = 'register_localstack_plugins'
        scope = scope or PLUGIN_SCOPE_SERVICES
        if scope == PLUGIN_SCOPE_COMMANDS:
            method_name = 'register_localstack_commands'
        try:
            namespace = {}
            exec('from %s.plugins import %s' % (module, method_name), namespace)
            method_to_execute = namespace[method_name]
        except Exception as e:
            if (not re.match(r'.*cannot import name .*%s.*' % method_name, str(e)) and
                    ('No module named' not in str(e))):
                LOG.debug('Unable to load plugins from module %s: %s' % (module, e))
            return
        try:
            return method_to_execute()
        except Exception as e:
            if not os.environ.get(ENV_SCRIPT_STARTING_DOCKER):
                LOG.warning('Unable to load plugins from file %s: %s' % (file_path, e))
def load_plugins(scope=None):