>>> import os
>>> from threatstack import ThreatStack
>>> threatstack_api_key=os.getenv('api_key')
>>> threatstack_org_id=os.getenv('org_id')
>>> threatstack_user_id=os.getenv('user_id')
>>> threatstack_client = ThreatStack(api_key=threatstack_api_key, org_id=threatstack_org_id, user_id=threatstack_user_id)
>>> threatstack_client.servers.list(non_monitored=True)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
AttributeError: 'Client' object has no attribute 'servers'

$ pip freeze | grep threatstack
threatstack==1.2.0

from datetime import datetime, timedelta
from threatstack import ThreatStack
api_key = 'my_api_key'
org_id = 'my_org_id'
user_id = 'my_user_id'
client = ThreatStack(api_key=api_key, org_id=org_id, user_id=user_id)
now = datetime.now()
yesterday = now - timedelta(days=1)
alerts = client.alerts.list(start=yesterday, end=now)
print([ alert for alert in alerts ])

[]