Log streams with square brackets cannot be used

[justin8]

When calling awslogs get with a log stream that contains square brackets ([ ]) I get the following error:

Traceback (most recent call last):
  File "/Users/jdray/.pyenv/versions/3.8.12/lib/python3.8/site-packages/awslogs/bin.py", line 179, in main
    getattr(logs, options.func)()
  File "/Users/jdray/.pyenv/versions/3.8.12/lib/python3.8/site-packages/awslogs/core.py", line 109, in list_logs
    streams = list(self._get_streams_from_pattern(self.log_group_name, self.log_stream_name))
  File "/Users/jdray/.pyenv/versions/3.8.12/lib/python3.8/site-packages/awslogs/core.py", line 101, in _get_streams_from_pattern
    reg = re.compile('^{0}'.format(pattern))
  File "/Users/jdray/.pyenv/versions/3.8.12/lib/python3.8/re.py", line 252, in compile
    return _compile(pattern, flags)
  File "/Users/jdray/.pyenv/versions/3.8.12/lib/python3.8/re.py", line 304, in _compile
    p = sre_compile.compile(pattern, flags)
  File "/Users/jdray/.pyenv/versions/3.8.12/lib/python3.8/sre_compile.py", line 764, in compile
    p = sre_parse.parse(p, flags)
  File "/Users/jdray/.pyenv/versions/3.8.12/lib/python3.8/sre_parse.py", line 948, in parse
    p = _parse_sub(source, state, flags & SRE_FLAG_VERBOSE, 0)
  File "/Users/jdray/.pyenv/versions/3.8.12/lib/python3.8/sre_parse.py", line 443, in _parse_sub
    itemsappend(_parse(source, state, verbose, nested + 1,
  File "/Users/jdray/.pyenv/versions/3.8.12/lib/python3.8/sre_parse.py", line 549, in _parse
    raise source.error("unterminated character set",
re.error: unterminated character set at position 12

Repro steps:
awslogs get my/log/stream "2023/06/01/[$LATEST]37fc8397fa59492cab1e6de1ad5d3e1f"