Comment 2 for bug 1696800

This regression occurs in Xenial/Yakkety (1.11.13-1ubuntu1~16.*.0) and also in Zesty/Artful (1.11.44-1):

$ aws --version
aws-cli/1.11.44 Python/3.5.3 Linux/4.10.0-19-generic botocore/1.5.7

$ touch emptyfile

$ aws s3 cp emptyfile s3://kamal-test-1
upload failed: ./emptyfile to s3://kamal-test-1/emptyfile seek() takes 2 positional arguments but 3 were given