$ dpkg-query --show python3-oauthlib                                            
python3-oauthlib        0.6.1-1
$ python3 -c 'import oauthlib; oauthlib.oauth1.Client("foo", client_secret="foo_bar")'
Traceback (most recent call last):
  File "<string>", line 1, in <module>
AttributeError: 'module' object has no attribute 'oauth1'