SF patch 1631942 by Collin Winter:

(a) "except E, V" -> "except E as V"
(b) V is now limited to a simple name (local variable)
(c) V is now deleted at the end of the except block

Lib/ctypes/util.py

@@ -60,12 +60,12 @@ def _findLib_gcc(name):
         finally:
             try:
                 os.unlink(outfile)
-            except OSError, e:
+            except OSError as e:
                 if e.errno != errno.ENOENT:
                     raise
             try:
                 os.unlink(ccout)
-            except OSError, e:
+            except OSError as e:
                 if e.errno != errno.ENOENT:
                     raise
         res = re.search(expr, trace)