René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"AttributeError: 'NoneType' object has no attribute 'type'","articleBody":"Hello~ run the coomand: `python2 j2py CoNLLStreamExtractor.java`  \r\n\r\n**Returned the following bug:**   \r\n\r\n```\r\nline 103:11 no viable alternative at input u'void'\r\nline 103:11 no viable alternative at input u'void'\r\nline 111:45 no viable alternative at input u'\u003e'\r\nline 186:8 no viable alternative at input u'List'\r\nline 186:8 no viable alternative at input u'List'\r\nline 186:43 mismatched input u'(' expecting SEMI\r\nTraceback (most recent call last):\r\n  File \"j2py\", line 259, in \u003cmodule\u003e\r\n    sys.exit(runMain(configScript(sys.argv[1:])))\r\n  File \"j2py\", line 57, in runMain\r\n    return runOneOrMany(options)\r\n  File \"j2py\", line 83, in runOneOrMany\r\n    return runTransform(options)\r\n  File \"j2py\", line 128, in runTransform\r\n    transformAST(tree, config)\r\n  File \"D:\\Python\\python27\\lib\\site-packages\\java2python\\compiler\\__init__.py\", line 36, in transformAST\r\n    for node in selector.walk(tree):\r\n  File \"D:\\Python\\python27\\lib\\site-packages\\java2python\\lang\\selector.py\", line 68, in walk\r\n    for item in self.walk(child):\r\n  File \"D:\\Python\\python27\\lib\\site-packages\\java2python\\lang\\selector.py\", line 68, in walk\r\n    for item in self.walk(child):\r\n  File \"D:\\Python\\python27\\lib\\site-packages\\java2python\\lang\\selector.py\", line 65, in walk\r\n    for item in self(tree):\r\n  File \"D:\\Python\\python27\\lib\\site-packages\\java2python\\lang\\selector.py\", line 163, in __call__\r\n    if tree.token.type == self.key:\r\nAttributeError: 'NoneType' object has no attribute 'type'\r\n```\r\n\r\nBest wishes and good luck to you!","author":{"url":"https://github.com/xiaoxiaoAurora","@type":"Person","name":"xiaoxiaoAurora"},"datePublished":"2020-01-14T02:27:18.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":5},"url":"https://github.com/65/java2python/issues/65"}