Add support for expire method on resource Checkout.Session

async_stripe/api_resources/checkout/session.py

@@ -1,7 +1,23 @@
 import stripe
-from async_stripe.api_resources.abstract import patch_nested_resources
+from stripe import util
+from async_stripe.api_resources.abstract import patch_custom_methods, patch_nested_resources
 
 
-nested_resources = ["line_item"]
+async def expire_patch(self, idempotency_key=None, **params):
+    url = self.instance_url() + "/expire"
+    headers = util.populate_headers(idempotency_key)
+    self.refresh_from(await self.request("post", url, params, headers))
+    return self
+
+
+stripe.checkout.Session.expire = expire_patch
+
 
+custom_resources = [
+    {"name": "expire", "http_verb": "post"},
+]
+patch_custom_methods(stripe.checkout.Session, custom_resources)
+
+
+nested_resources = ["line_item"]
 patch_nested_resources(stripe.checkout.Session, nested_resources)