diff --git a/rpath/amiconfig/instancedata.py b/rpath/amiconfig/instancedata.py
index 25afe35..573ffd0 100644
--- a/rpath/amiconfig/instancedata.py
+++ b/rpath/amiconfig/instancedata.py
@@ -50,8 +50,7 @@ def getUserData(self):
         user_data_cache = os.getenv("AMICONFIG_LOCAL_USER_DATA")
         if user_data_cache is not None and user_data_cache[0] == '/':
             try:
-                with open(user_data_cache) as f:
-                    return f.read()
+                return open(user_data_cache).read()
             except IOError, e:
                 pass