tools: Fix pyboard.py to work under Python 3.

dpgeorge · dpgeorge · commit bbe2e22fcb3b · 2015-12-08T12:55:28.000Z
diff --git a/tools/pyboard.py b/tools/pyboard.py
@@ -128,7 +128,7 @@ def __init__(self, device, baudrate=115200, user='micro', password='python', wai
                 try:
                     self.serial = serial.Serial(device, baudrate=baudrate, interCharTimeout=1)
                     break
-                except OSError, IOError: # Py2 and Py3 have different errors
+                except (OSError, IOError): # Py2 and Py3 have different errors
                     if wait == 0:
                         continue
                     if attempt == 0:
