diff --git a/modules/deeplearning/cloud_opd_fcn_abi.py b/modules/deeplearning/cloud_opd_fcn_abi.py
index 105b97069c63ab67c93482c7174de0cf2aad5e2a..4aa3b729359bd253851ddebda3ad778b5d3438af 100644
--- a/modules/deeplearning/cloud_opd_fcn_abi.py
+++ b/modules/deeplearning/cloud_opd_fcn_abi.py
@@ -559,7 +559,7 @@ class SRCNN:
     def build_training(self):
 
         # self.loss = tf.keras.losses.MeanSquaredError()  # Regression
-        self.loss = tf.keras.losses.MeanAbsoluteError() # Regression
+        self.loss = tf.keras.losses.MeanAbsoluteError()  # Regression
 
         # decayed_learning_rate = learning_rate * decay_rate ^ (global_step / decay_steps)
         initial_learning_rate = 0.001