UnicodeEncodeError: 'ascii' codec can't encode characters in position 17-20: ordinal not in range(128)

[rhinoceros]

environment info

detect-secrets --version
0.13.0
python -V
Python 2.7.6
cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.2 LTS"

When I execute the command detect-secrets -v scan , I get an error

Checking file: doc/management/dependencies.md
Traceback (most recent call last):
  File "/usr/local/bin/detect-secrets", line 11, in <module>
    sys.exit(main())
  File "/usr/local/lib/python2.7/dist-packages/detect_secrets/main.py", line 60, in main
    word_list_hash,
  File "/usr/local/lib/python2.7/dist-packages/detect_secrets/main.py", line 180, in _perform_scan
    should_scan_all_files=args.all_files,
  File "/usr/local/lib/python2.7/dist-packages/detect_secrets/core/baseline.py", line 83, in initialize
    output.scan_file(file)
  File "/usr/local/lib/python2.7/dist-packages/detect_secrets/core/secrets_collection.py", line 234, in scan_file
    self._extract_secrets_from_file(f, filename_key)
  File "/usr/local/lib/python2.7/dist-packages/detect_secrets/core/secrets_collection.py", line 340, in _extract_secrets_from_file
    results.update(plugin.analyze(f, filename))
  File "/usr/local/lib/python2.7/dist-packages/detect_secrets/plugins/base.py", line 129, in analyze
    is_verified = self.verify(result.secret_value, content=str(snippet))
UnicodeEncodeError: 'ascii' codec can't encode characters in position 17-20: ordinal not in range(128)

The content of the file doc/management/dependencies.md is

# 依赖

## PostgresQL

测试环境
url: jdbc:postgresql://pgm-12xa.pg.rds.aliyuncs.com:3433/xx_tag
username: xx_tag
password: 2d4vP67t

[rhinoceros]

when I use python3.6.
there is no problem.

[domanchi]

Might be a fair example for #260.