Issue installing as a dependency

[winningwithchase]

12:34:47 Downloading createsend-4.2.0.tar.gz (159kB)
12:34:47 Complete output from command python setup.py egg_info:
12:34:47 Traceback (most recent call last):
12:34:47 File "", line 20, in
12:34:47 File "/tmp/pip-build-RzioYi/createsend/setup.py", line 5, in
12:34:47 from createsend.createsend import version
12:34:47 File "createsend/init.py", line 1, in
12:34:47 from .createsend import *
12:34:47 File "createsend/createsend.py", line 6, in
12:34:47 from six import BytesIO
12:34:47 ImportError: No module named six

^^ got this from one of my Jenkins jobs installing the setup.py file for a service that uses "createsend" as a dependency

[jdennes]

Should be fixed in https://github.com/campaignmonitor/createsend-python/releases/tag/v4.2.2.

[jbub]

Install is still failing with 4.2.2 on pypi:

Collecting createsend
  Downloading createsend-4.2.2.tar.gz (160kB)
    100% |████████████████████████████████| 163kB 2.4MB/s
    Complete output from command python setup.py egg_info:
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/private/var/folders/my/cvndjd3s70z22zmybwh59rvc0000gn/T/pip-build-EzVTCF/createsend/setup.py", line 3, in <module>
        from createsend.createsend import __version__
      File "createsend/__init__.py", line 8, in <module>
        from createsend.createsend import *
      File "createsend/createsend.py", line 12, in <module>
        from createsend.utils import VerifiedHTTPSConnection, json_to_py, get_faker
    ImportError: No module named utils