try to fix error

horizon-metrics.py

@@ -179,14 +179,11 @@ class HorizonMetrics(evaluate.Metric):
         # this means that the metric was called using the input field on huggingface website
 
         try:
-            if predictions is None or references is None:
-                print("JA")
-            self.ground_truth_det = references
-            self.predictions = predictions
-            print(np.asarray(self.ground_truth_det).shape)
-            print(np.asarray(self.predictions).shape)
+            print(np.asarray(predictions).shape)
+            print(np.asarray(references).shape)
         except:
             # no nothing
+            print("error")
             pass
 
         # calculate erros and store values in slope_error_list and midpoint_error_list