I used s3cmd command (the latest s3cmd code I use) to put a file named in Chinese, when I use s3cmd info bucket, An unexpected error has occurred. The following is my operation process and result.

1 Create a bucket
s3cmd mb s3://bucket
Bucket 's3://bucket/' created

2 Create a file named in Chinese
touch 中文.txt

3 Put file to s3://bucket
s3cmd put 中文.txt s3://bucket
upload: '中文.txt' -> 's3://bucket/中文.txt' [1 of 1]
0 of 0 0% in 0s 0.00 B/s done

4 Ls this file
s3cmd ls s3://bucket
2017-03-21 02:55 0 s3://bucket/中文.txt

5 Get bucket info
s3cmd info s3://bucket

The error message:
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Invoked as: /usr/local/bin/s3cmd info s3://bucket
Problem: UnicodeDecodeError: 'ascii' codec can't decode byte 0xe4 in position 496: ordinal not in range(128)
S3cmd: 1.6.1
python: 2.7.6 (default, Oct 26 2016, 20:30:19)
[GCC 4.8.4]
environment LANG=en_US.UTF-8

Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/s3cmd-1.6.1-py2.7.egg/EGG-INFO/scripts/s3cmd", line 2996, in
File "/usr/local/lib/python2.7/dist-packages/s3cmd-1.6.1-py2.7.egg/EGG-INFO/scripts/s3cmd", line 2915, in main
File "/usr/local/lib/python2.7/dist-packages/s3cmd-1.6.1-py2.7.egg/EGG-INFO/scripts/s3cmd", line 918, in cmd_info
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe4 in position 496: ordinal not in range(128)

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!