[?1034hdiff -r 0ce4ce919ccd Lib/platform.py
--- a/Lib/platform.py	Mon Jun 16 17:12:39 2014 +0200
+++ b/Lib/platform.py	Mon Jun 16 18:28:03 2014 +0200
@@ -845,12 +845,15 @@ def _syscmd_uname(option, default=''):
         # XXX Others too ?
         return default
     try:
-        f = os.popen('uname %s 2> %s' % (option, DEV_NULL))
+        proc = subprocess.Popen(('uname', option),
+                                stdout=subprocess.PIPE,
+                                stderr=subprocess.DEVNULL)
     except (AttributeError, OSError):
         return default
-    output = f.read().strip()
-    rc = f.close()
-    if not output or rc:
+    with proc:
+        stdout, stderr = proc.communicate()
+        output = os.fsdecode(stdout.strip())
+    if not output or proc.returncode:
         return default
     else:
         return output