if 'UD_GENERATEDIR' in os.environ:
GenerateDir = os.environ['UD_GENERATEDIR']
-cache_last_mod = [0,0]
+cache_last_mod = None
try:
fd = open(os.path.join(GenerateDir, "last_update.trace"), "r")
else:
raise e
-if cache_last_mod[0] >= last:
+if cache_last_mod is None or cache_last_mod[0] >= last:
fd = open(os.path.join(GenerateDir, "last_update.trace"), "w")
fd.write("%s\n%s\n" % (last, int(time.time())))
fd.close()