entityset_entities.py

import featuretools as ft
import featuretools.variable_types as vtypes

# Create entityset
es = ft.EntitySet(id = 'customers')

# Create entity from members
es.entity_from_dataframe(entity_id='members', dataframe=members,
                         index = 'msno', 
                         time_index = 'registration_init_time', 
                         variable_types = {'city': vtypes.Categorical, 
                                           'registered_via': vtypes.Categorical})

# Add other entities ...