indentation issue

app.py

@@ -414,7 +414,7 @@ def quin_macluskey(n_var,minterms, dictionary):
     return result
 
     #This part shortens boolean formulas even more than the last step, applicable only in the context of image prediction boolean formulas
-    def pre_image(res_image,model):
+def pre_image(res_image,model):
     model.eval()
     res_image = res_image[:,:,::-1]
     img = Image.fromarray(res_image)