[s3] aws s3 copy dir/ fatal error: 'ContentLength'

[kmlebedev]

Describe the bug

aws --profile local  --endpoint http://127.0.0.1:8333/  s3 cp s3://test/dir /tmp/
fatal error: An error occurred (404) when calling the HeadObject operation: Key "dir" does not exist

aws --profile local  --endpoint http://127.0.0.1:8333/  s3 cp s3://test/dir/ /tmp/
fatal error: 'ContentLength'

System Setup
2.34

Expected behavior
return 404

[kmlebedev]

s3tests_1  | ----------------------------------------------------------------------
s3tests_1  | XML: /opt/s3-tests/nosetests.xml
s3tests_1  | ----------------------------------------------------------------------
s3tests_1  | Ran 130 tests in 58.390s
s3tests_1  | 
s3tests_1  | OK
seaweedfs_s3tests_1 exited with code 0