Problem launching ECSCluster

I tried to launch an ECSCluster on AWS but fails with the following message

My command to launch

```
cluster = ECSCluster(cluster_arn="", image="",
vpc="", subnets=[], security_groups=[])
```
and the error

```
Exception ignored in:
Traceback (most recent call last):
File "/usr/local/Caskroom/miniconda/base/envs/aws/lib/python3.8/site-packages/distributed/deploy/cluster.py", line 107, in __del__
if self.status != Status.closed:
AttributeError: 'ECSCluster' object has no attribute 'status'
Traceback (most recent call last):
File "", line 1, in
File "/usr/local/Caskroom/miniconda/base/envs/aws/lib/python3.8/site-packages/dask_cloudprovider/aws/ecs.py", line 727, in __init__
super().__init__(**kwargs)
File "/usr/local/Caskroom/miniconda/base/envs/aws/lib/python3.8/site-packages/distributed/deploy/spec.py", line 276, in __init__
self.sync(self._start)
File "/usr/local/Caskroom/miniconda/base/envs/aws/lib/python3.8/site-packages/distributed/deploy/cluster.py", line 183, in sync
return sync(self.loop, func, *args, **kwargs)
File "/usr/local/Caskroom/miniconda/base/envs/aws/lib/python3.8/site-packages/distributed/utils.py", line 340, in sync
raise exc.with_traceback(tb)
File "/usr/local/Caskroom/miniconda/base/envs/aws/lib/python3.8/site-packages/distributed/utils.py", line 324, in f
result[0] = yield future
File "/usr/local/Caskroom/miniconda/base/envs/aws/lib/python3.8/site-packages/tornado/gen.py", line 762, in run
value = future.result()
File "/usr/local/Caskroom/miniconda/base/envs/aws/lib/python3.8/site-packages/dask_cloudprovider/aws/ecs.py", line 924, in _start
await super()._start()
File "/usr/local/Caskroom/miniconda/base/envs/aws/lib/python3.8/site-packages/distributed/deploy/spec.py", line 304, in _start
self.scheduler = await self.scheduler
File "/usr/local/Caskroom/miniconda/base/envs/aws/lib/python3.8/site-packages/dask_cloudprovider/aws/ecs.py", line 162, in _
await self.start()
File "/usr/local/Caskroom/miniconda/base/envs/aws/lib/python3.8/site-packages/dask_cloudprovider/aws/ecs.py", line 220, in start
while timeout.run():
File "/usr/local/Caskroom/miniconda/base/envs/aws/lib/python3.8/site-packages/dask_cloudprovider/utils/timeout.py", line 74, in run
raise self.exception
File "/usr/local/Caskroom/miniconda/base/envs/aws/lib/python3.8/site-packages/dask_cloudprovider/aws/ecs.py", line 263, in start
raise RuntimeError(response) # print entire response
```

Thank you!