Fixed client error when GOODFET was undefined.

git-svn-id: https://svn.code.sf.net/p/goodfet/code/trunk@110 12e2690d-a6be-4b82-a7b7-67c4a43b65c8

diff --git a/client/GoodFET.py b/client/GoodFET.py
index b335b4d..5a7ab02 100755 (executable)
--- a/client/GoodFET.py
+++ b/client/GoodFET.py
@@ -17,7 +17,7 @@ class GoodFET:
     def serInit(self, port=None):
         """Open the serial port"""
         
     def serInit(self, port=None):
         """Open the serial port"""
         

-        if port is None:
+        if port is None and os.environ.get("GOODFET")!=None:

             glob_list = glob.glob(os.environ.get("GOODFET"));
             if len(glob_list) > 0:
                 port = glob_list[0];
             glob_list = glob.glob(os.environ.get("GOODFET"));
             if len(glob_list) > 0:
                 port = glob_list[0];