No module named 'kerberos_sspi'

[CarpeFridiem]

I ran the following but when I try to import prestodb I get a No module named 'kerberos_sspi' error. I've tried several things but can't seem to figure out what's going on here. Any thoughts?

$ pip install presto-python-client
Collecting presto-python-client
Requirement already satisfied: ipaddress==1.0.14 in /Users/brentonmallen/anaconda/envs/uuid-similarities/lib/python3.6/site-packages (from presto-python-client) (1.0.14)
Requirement already satisfied: click==6.7 in /Users/brentonmallen/anaconda/envs/uuid-similarities/lib/python3.6/site-packages (from presto-python-client) (6.7)
Requirement already satisfied: typing==3.5.3.0 in /Users/brentonmallen/anaconda/envs/uuid-similarities/lib/python3.6/site-packages (from presto-python-client) (3.5.3.0)
Collecting requests-kerberos==0.10.0 (from presto-python-client)
  Using cached https://files.pythonhosted.org/packages/69/75/0a3e3e253b311fd9ed2b92fc2b10ee5e08d5046c0183f8c02ddb7563e7a4/requests_kerberos-0.10.0-py2.py3-none-any.whl
Requirement already satisfied: requests==2.13.0 in /Users/brentonmallen/anaconda/envs/uuid-similarities/lib/python3.6/site-packages (from presto-python-client) (2.13.0)
Requirement already satisfied: future==0.16.0 in /Users/brentonmallen/anaconda/envs/uuid-similarities/lib/python3.6/site-packages (from presto-python-client) (0.16.0)
Requirement already satisfied: six==1.10.0 in /Users/brentonmallen/anaconda/envs/uuid-similarities/lib/python3.6/site-packages (from presto-python-client) (1.10.0)
Requirement already satisfied: pykerberos<2.0.0,>=1.1.8; sys_platform != "win32" in /Users/brentonmallen/anaconda/envs/uuid-similarities/lib/python3.6/site-packages (from requests-kerberos==0.10.0->presto-python-client) (1.2.1)
Installing collected packages: requests-kerberos, presto-python-client
  Found existing installation: requests-kerberos 0.12.0
    Uninstalling requests-kerberos-0.12.0:
      Successfully uninstalled requests-kerberos-0.12.0
Successfully installed presto-python-client-0.4.2 requests-kerberos-0.10.0```