replaced split by rsplit, bug fixed

src/run_modules/model_setup.py

@@ -100,5 +100,5 @@ class ModelSetup(RunEnvironment):
 
     def plot_model(self):  # pragma: no cover
         with tf.device("/cpu:0"):
-            file_name = f"{self.model_name.split(sep='.')[0]}.pdf"
+            file_name = f"{self.model_name.rsplit('.', 1)[0]}.pdf"
             keras.utils.plot_model(self.model, to_file=file_name, show_shapes=True, show_layer_names=True)