also redirect stderr when calling lsusb

git-svn-id: http://svn.code.sf.net/p/pyserial/code/trunk/pyserial@415 f19166aa-fa4f-0410-85c2-fa1106f25c8a

1 files changed, 2 insertions, 2 deletions

diff --git a/serial/tools/list_ports_posix.py b/serial/tools/list_ports_posix.py
index ebfa4ef..8d2357e 100644
--- a/serial/tools/list_ports_posix.py
+++ b/serial/tools/list_ports_posix.py
@@ -8,14 +8,14 @@ try:
 except ImportError:

     def popen(argv):

         try:

-            si, so =  os.popen2(' '.join(argv))

+            si, so =  os.popen4(' '.join(argv))

             return so.read().strip()

         except:

             raise IOError('lsusb failed')

 else:

     def popen(argv):

         try:

-            return subprocess.check_output(argv).strip()

+            return subprocess.check_output(argv, stderr=subprocess.STDOUT).strip()

         except:

             raise IOError('lsusb failed')