Issue installing as a dependency about createsend-python HOT 2 CLOSED

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