fix error related with attention value
fix error related with attention value

The error was:
UnboundLocalError: local variable 'lti' referenced before assignment

shujingke/opencog,AmeBel/opencog,inflector/opencog,yantrabuddhi/opencog,AmeBel/opencog,yantrabuddhi/opencog,misgeatgit/opencog,shujingke/opencog,shujingke/opencog,AmeBel/opencog,inflector/opencog,shujingke/opencog,inflector/opencog,inflector/opencog,ruiting/opencog,andre-senna/opencog,ruiting/opencog,misgeatgit/opencog,shujingke/opencog,misgeatgit/opencog,misgeatgit/opencog,andre-senna/opencog,misgeatgit/opencog,AmeBel/opencog,inflector/opencog,andre-senna/opencog,andre-senna/opencog,ruiting/opencog,yantrabuddhi/opencog,misgeatgit/opencog,shujingke/opencog,ruiting/opencog,ruiting/opencog,inflector/opencog,andre-senna/opencog,andre-senna/opencog,yantrabuddhi/opencog,ruiting/opencog,yantrabuddhi/opencog,AmeBel/opencog,misgeatgit/opencog,AmeBel/opencog,inflector/opencog,yantrabuddhi/opencog,ruiting/opencog,andre-senna/opencog,misgeatgit/opencog,yantrabuddhi/opencog,misgeatgit/opencog,shujingke/opencog,inflector/opencog,AmeBel/opencog