minor...

modules/util/util.py

@@ -19,7 +19,7 @@ class GenericException(Exception):
 class EarlyStop:
     def __init__(self, window_length=3, patience=5):
         self.patience = patience
-        self.min = np.finfo(np.single)
+        self.min = np.finfo(np.single).max
         self.cnt = 0
         self.cnt_wait = 0
         self.window = np.zeros(window_length, dtype=np.single)