From d7db34f27a0fc3c11f5169d09168044963185d42 Mon Sep 17 00:00:00 2001
From: Itamar Turner-Trauring <itamar@itamarst.org>
Date: Mon, 4 Jan 2021 14:33:06 -0500
Subject: [PATCH] Add explanation for if statement.

---
 src/allmydata/web/common_py3.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/allmydata/web/common_py3.py b/src/allmydata/web/common_py3.py
index 5aa338e4d..3e9eb8379 100644
--- a/src/allmydata/web/common_py3.py
+++ b/src/allmydata/web/common_py3.py
@@ -70,6 +70,7 @@ class MultiFormatResource(resource.Resource, object):
         :return: The result of the selected renderer.
         """
         t = get_arg(req, self.formatArgument, self.formatDefault)
+        # It's either bytes or None.
         if isinstance(t, bytes):
             t = unicode(t, "ascii")
         renderer = self._get_renderer(t)