Update breed_comparison.py

breed_comparison.py

@@ -359,7 +359,7 @@ def create_comparison_tab(dog_breeds, get_dog_description, breed_noise_info, bre
             """
 
         def show_comparison(breed1_display, breed2_display):
-            if not breed1 or not breed2:
+            if not breed1_display or not breed2_display:
                 return "Please select two breeds to compare"
 
             breed1 = reversed_mapping[breed1_display]