[v1.x] Work around two pylint false positives in mxnet/io/io.py

python/mxnet/io/io.py

@@ -226,7 +226,7 @@ def next(self):
             raise StopIteration
 
     def __next__(self):
-        return self.next()
+        return self.next() # pylint: disable=E1102
 
     def iter_next(self):
         """Move to the next batch.
@@ -830,7 +830,7 @@ def __init__(self, handle, data_name='data', label_name='softmax_label', **_):
 
         # load the first batch to get shape information
         self.first_batch = None
-        self.first_batch = self.next()
+        self.first_batch = self.next() # pylint: disable=E1102
         data = self.first_batch.data[0]
         label = self.first_batch.label[0]