From: Ben Darnell <ben@bendarnell.com>
Date: Sun, 26 Apr 2020 20:12:26 +0000 (-0400)
Subject: iostream: Update comment
X-Git-Tag: v6.1.0b1~30^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9784630c543da23a4be829e63ac86193e42ef479;p=thirdparty%2Ftornado.git

iostream: Update comment

Update comment from #2690 about ssl module exceptions.
---

diff --git a/tornado/iostream.py b/tornado/iostream.py
index b11f65eed..1fe26ae6a 100644
--- a/tornado/iostream.py
+++ b/tornado/iostream.py
@@ -1415,7 +1415,9 @@ class SSLIOStream(IOStream):
             raise
         except ssl.CertificateError as err:
             # CertificateError can happen during handshake (hostname
-            # verification) and should be passed to user
+            # verification) and should be passed to user. Starting
+            # in Python 3.7, this error is a subclass of SSLError
+            # and will be handled by the previous block instead.
             return self.close(exc_info=err)
         except socket.error as err:
             # Some port scans (e.g. nmap in -sT mode) have been known