Update early_stopping.py

解决代码冲突引发的异常

easy_rec/python/compat/early_stopping.py

@@ -21,9 +21,9 @@
 import os
 import threading
 import time
-from distutils.version import LooseVersion
 
 import tensorflow as tf
+from distutils.version import LooseVersion
 from tensorflow.python.framework import dtypes
 from tensorflow.python.framework import ops
 from tensorflow.python.ops import init_ops