Update CMB.py

CMB.py

@@ -184,7 +184,7 @@ class CMB(datasets.GeneratorBasedBuilder):
 
         if self.config.name == 'exam':
 
-            examples = json.loads(io.open(data_file, 'r').read())
+            examples = json.loads(io.open(data_file, 'r', encoding='utf-8').read())
 
             for idx in range(len(examples)):
                 vals = examples[idx]
@@ -194,7 +194,7 @@ class CMB(datasets.GeneratorBasedBuilder):
                 yield idx, vals
 
         if self.config.name == 'clin':
-            examples = json.loads(io.open(data_file, 'r').read())
+            examples = json.loads(io.open(data_file, 'r', encoding='utf-8').read())
             for idx in range(len(examples)):
                 vals = examples[idx]
                 vals['id'] = vals.get('id',idx)