in fbauthenticator/business_authenticator.py [0:0]
def _has_business(self, data):
"""
Given the data of one page of business users, check if the user is in the business.
Return true if the user is in the business, false otherwise.
"""
return any(
"business" in entry
and "id" in entry["business"]
and entry["business"]["id"] == self.BUSINESS_ID
for entry in data
)