Don't provide encoding parameter to json.dump & json.load.

apachedex/__init__.py

@@ -1081,8 +1081,7 @@ def asHTML(out, encoding, per_site, args, default_site, period_parameter_dict,
   out.write('</body></html>')
 
 def asJSON(out, encoding, per_site, *_):
-  json.dump([(x, y.asJSONState()) for x, y in per_site.iteritems()], out,
-    encoding='ascii')
+  json.dump([(x, y.asJSONState()) for x, y in per_site.iteritems()], out)
 
 format_generator = {
   'html': (asHTML, 'utf-8'),
@@ -1257,7 +1256,7 @@ def main():
       state_file = open(state_file_name)
     with state_file:
       load_start = time.time()
-      state = json.load(state_file, encoding='ascii')
+      state = json.load(state_file)
       for url, site_state in state:
         if url is None:
           site = None