Update SemEval2015Task12NLTK.py

SemEval2015Task12NLTK.py

@@ -149,7 +149,7 @@ class SemEvalXMLDataset():
         self.SentenceWithOpinions = []
         self.xml_path = file_name
 
-        self.sentenceXmlList = parse(self.xml_path).getElementsByTagName('sentence')
+        self.sentenceXmlList = parse(open(self.xml_path)).getElementsByTagName('sentence')
 
         for sentenceXml in self.sentenceXmlList:
             reviewId = sentenceXml.getAttribute("id").split(':')[0]