From 2956627b8b08ad651f706d8a24104b6af1f6b2cc Mon Sep 17 00:00:00 2001
From: Florian Bruhin <git@the-compiler.org>
Date: Sat, 17 Oct 2015 11:50:49 +0200
Subject: [PATCH] Handle EPERM when writing rewritten bytecode.

Fixes #1143.
---
 _pytest/assertion/rewrite.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/_pytest/assertion/rewrite.py b/_pytest/assertion/rewrite.py
index b7a6c1c5e..9484ba4b3 100644
--- a/_pytest/assertion/rewrite.py
+++ b/_pytest/assertion/rewrite.py
@@ -128,7 +128,7 @@ class AssertionRewritingHook(object):
                     # One of the path components was not a directory, likely
                     # because we're in a zip file.
                     write = False
-                elif e in [errno.EACCES, errno.EROFS]:
+                elif e in [errno.EACCES, errno.EROFS, errno.EPERM]:
                     state.trace("read only directory: %r" % fn_pypath.dirname)
                     write = False
                 else: