Update SemEval2016Task5NLTK.py

SemEval2016Task5NLTK.py

@@ -196,7 +196,7 @@ class SemEvalXMLDataset():
                 }
                 Opinions.append(opinionDict)
                 
-            Opinions.sort(key=lambda x: x["from"])
+            Opinions.sort(key=lambda x: int(x["from"]))
             # 从小到大排序
             example = {
                     "text": text,