AttributeError: module 'stripe.api_resources' has no attribute 'Mandate'

[alanhamlett]

Python: 3.6.7
Stripe-Python: 2.41.0
Stripe API: 2019-11-05

When calling stripe.Invoice.retrieve(invoice_id) this exception is raised:

Traceback (most recent call last):
  File "/app/venv/lib/python3.6/site-packages/flask/app.py", line 2446, in wsgi_app
    response = self.full_dispatch_request()
  File "/app/venv/lib/python3.6/site-packages/flask/app.py", line 1951, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/app/venv/lib/python3.6/site-packages/flask/app.py", line 1820, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/app/venv/lib/python3.6/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/app/venv/lib/python3.6/site-packages/flask/app.py", line 1949, in full_dispatch_request
    rv = self.dispatch_request()
  File "/app/venv/lib/python3.6/site-packages/flask/app.py", line 1935, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/app/website/webhooks/views.py", line 511, in stripe_hook
    invoice = stripe.Invoice.retrieve(invoice_id)
  File "/app/venv/lib/python3.6/site-packages/stripe/api_resources/abstract/api_resource.py", line 12, in retrieve
    instance.refresh()
  File "/app/venv/lib/python3.6/site-packages/stripe/api_resources/abstract/api_resource.py", line 16, in refresh
    self.refresh_from(self.request("get", self.instance_url()))
  File "/app/venv/lib/python3.6/site-packages/stripe/stripe_object.py", line 246, in request
    response, api_key, self.stripe_version, self.stripe_account
  File "/app/venv/lib/python3.6/site-packages/stripe/util.py", line 165, in convert_to_stripe_object
    klass = get_object_classes().get(
  File "/app/venv/lib/python3.6/site-packages/stripe/util.py", line 135, in get_object_classes
    from stripe.object_classes import OBJECT_CLASSES
  File "/app/venv/lib/python3.6/site-packages/stripe/object_classes.py", line 48, in <module>
    api_resources.Mandate.OBJECT_NAME: api_resources.Mandate,
AttributeError: module 'stripe.api_resources' has no attribute 'Mandate'

[alanhamlett]

Might have been a machine that didn't get the stripe python update deploy.