From fefdca5787411211ba0aee89d5110664a72e02b6 Mon Sep 17 00:00:00 2001
From: Benjamin Peterson <benjamin@python.org>
Date: Wed, 29 Jun 2011 14:00:13 -0500
Subject: [PATCH] simplify

---
 _pytest/assertion/rewrite.py | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/_pytest/assertion/rewrite.py b/_pytest/assertion/rewrite.py
index d4908a467..940c90328 100644
--- a/_pytest/assertion/rewrite.py
+++ b/_pytest/assertion/rewrite.py
@@ -155,13 +155,10 @@ def _use_cached_pyc(source, cache):
             fp.close()
     except EnvironmentError:
         return False
-    if (len(data) != 8 or
-        data[:4] != imp.get_magic() or
-        struct.unpack("<l", data[4:])[0] != mtime):
-        # Invalid or out of date.
-        return False
-    # The cached pyc exists and is up to date.
-    return True
+    # Check for invalid or out of date pyc file.
+    return (len(data) == 8 and
+            data[:4] == imp.get_magic() and
+            struct.unpack("<l", data[4:])[0] == mtime)
 
 def _cache_pyc(state, pyc, cache):
     try: