Traceback (most recent call last):


 "/usr/local/lib/python3.7/site-packages/localstack/services/infra.py", line 416, in check_infra

raise e


 "/usr/local/lib/python3.7/site-packages/localstack/services/infra.py", line 413, in check_infra

plugin.check(expect_shutdown=expect_shutdown, print_error=print_error)


 "/usr/local/lib/python3.7/site-packages/localstack/services/infra.py", line 93, in check

return self.check_function(expect_shutdown=expect_shutdown, print_error=print_error)


 "/usr/local/lib/python3.7/site-packages/localstack/services/s3/s3_starter.py", line 32, in check_s3

assert isinstance(out['Buckets'], list)
TypeError: 'NoneType' object is not subscriptable

Traceback (most recent call last):


 "/home/shujisheng/.conda/envs/paddle/lib/python3.7/threading.py", line 926, in _bootstrap_inner

self.run()


 "/home/shujisheng/.conda/envs/paddle/lib/python3.7/threading.py", line 870, in run

self._target(*self._args, **self._kwargs)


 "/home/shujisheng/.conda/envs/paddle/lib/python3.7/site-packages/paddle/fluid/reader.py", line 1145, in __thread_main__

six.reraise(*sys.exc_info())


 "/home/shujisheng/.conda/envs/paddle/lib/python3.7/site-packages/six.py", line 703, in reraise

raise value


 "/home/shujisheng/.conda/envs/paddle/lib/python3.7/site-packages/paddle/fluid/reader.py", line 1125, in __thread_main__

for tensors in self._tensor_reader():


 "/home/shujisheng/.conda/envs/paddle/lib/python3.7/site-packages/paddle/fluid/reader.py", line 1195, in __tensor_reader_impl__

for slots in paddle_reader():


 "/home/shujisheng/.conda/envs/paddle/lib/python3.7/site-packages/paddle/fluid/data_feeder.py", line 506, in __reader_creator__

for item in reader():


 "/home/shujisheng/download/PaddleDetection/ppdet/data/reader.py", line 439, in _reader

for _batch in reader:


 "/home/shujisheng/download/PaddleDetection/ppdet/data/reader.py", line 314, in __next__

return self.next()


 "/home/shujisheng/download/PaddleDetection/ppdet/data/reader.py", line 328, in next

return self.worker(self._drop_empty, batch)


 "/home/shujisheng/download/PaddleDetection/ppdet/data/reader.py", line 384, in worker

sample = self._sample_transforms(sample)


 "/home/shujisheng/download/PaddleDetection/ppdet/data/reader.py", line 44, in __call__

for f in self.transforms:
TypeError: 'NoneType' object is not iterable
