gs URI scheme not supported

Problem description

• What are you trying to achieve? Trying to use this with GCS objects for streaming the latter
• What is the expected result? GCS object to be opened normally as per README
• What are you seeing instead? Got: NotImplementedError: unknown URI scheme 'gs' in 'gs://...

Steps/code to reproduce the problem

My Code

import smart_open
smart_open.open('gs://...')

My Traceback

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\path\to\anaconda3\envs\test\lib\site-packages\smart_open\smart_open_lib.py", line 308, in open
    errors=errors,
  File "C:\path\to\anaconda3\envs\test\lib\site-packages\smart_open\smart_open_lib.py", line 490, in _shortcut_open
    parsed_uri = _parse_uri(uri)
  File "C:\path\to\anaconda3\envs\test\lib\site-packages\smart_open\smart_open_lib.py", line 737, in _parse_uri
    "unknown URI scheme %r in %r" % (parsed_uri.scheme, uri_as_string)
NotImplementedError: unknown URI scheme 'gs' in 'gs://...'

Versions

1.9.0

[piskvorky]

CC @mpenkov .

[mpenkov]

Yes, I think closing this is appropriate.