From bc3df70b266304f78ebe5eabead71cabd4738d12 Mon Sep 17 00:00:00 2001
From: Victor Stinner <vstinner@redhat.com>
Date: Tue, 5 Jun 2018 13:30:48 +0200
Subject: [PATCH] bpo-18174: Fix fd_count() on FreeBSD (GH-7420)

Python 2.7 doesn't have FileNotFoundError exception: use OSError and
errno.ENOENT.
---
 Lib/test/support/__init__.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py
index 8ffe1f861e6..f67c0da5644 100644
--- a/Lib/test/support/__init__.py
+++ b/Lib/test/support/__init__.py
@@ -2069,8 +2069,9 @@ def fd_count():
         try:
             names = os.listdir("/proc/self/fd")
             return len(names)
-        except FileNotFoundError:
-            pass
+        except OSError as exc:
+            if exc.errno != errno.ENOENT:
+                raise
 
     old_modes = None
     if sys.platform == 'win32':