[gupnp] Drop unused import, fix datatype error handling

[David King <davidk src gnome org>]

commit 5d6389bbce505c2a0466110eedb6c2a313b8740a
Author: Ville Skyttà <ville skytta iki fi>
Date:   Wed Oct 5 00:16:59 2011 +0300

    Drop unused import, fix datatype error handling

 tools/gupnp-binding-tool |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/tools/gupnp-binding-tool b/tools/gupnp-binding-tool
index f3e63c7..120fffb 100755
--- a/tools/gupnp-binding-tool
+++ b/tools/gupnp-binding-tool
@@ -23,7 +23,7 @@
 # - could warn if values outside allowedValueRange are used in *_action_set() 
 # - add option to generate skeleton source code that uses the bindings? 
 
-import sys, os.path, re, xml.etree.ElementTree as ET
+import os.path, re, xml.etree.ElementTree as ET
 from optparse import OptionParser
 
 
@@ -162,7 +162,7 @@ def getVariables(var_elements, prefix):
         
         dataType = varElement.find("{urn:schemas-upnp-org:service-1-0}dataType").text
         if not dataType in typemap:
-            raise Exception("Unknown dataType %s" % data_type)
+            raise Exception("Unknown dataType %s" % dataType)
         (var.ctype, var.gtype, g_value_type) = typemap[dataType];
         var.get_function = "g_value_get_" + g_value_type
         var.set_function = "g_value_set_" + g_value_type