From 3a317d443f41679c14d83d98612d8a509f1fe183 Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Fri, 16 Aug 2019 12:19:49 -0400
Subject: [PATCH] docstring

---
 src/_zkapauthorizer/controller.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/_zkapauthorizer/controller.py b/src/_zkapauthorizer/controller.py
index f6af300..16c2f53 100644
--- a/src/_zkapauthorizer/controller.py
+++ b/src/_zkapauthorizer/controller.py
@@ -177,4 +177,8 @@ class PaymentController(object):
         )
 
     def _redeemSuccess(self, voucher, passes):
+        """
+        Update the database state to reflect that a voucher was redeemed and to
+        store the resulting passes.
+        """
         self.store.insert_passes_for_voucher(voucher, passes)
-- 
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