Update app.py

app.py

@@ -26,7 +26,7 @@ from typing import List
 
 def ifnone(a, b): # a fastai-specific (fastcore) function used below, redefined so it's independent
     "`b` if `a` is None else `a`"
-   return b if a is None else a
+    return b if a is None else a
 
 class ConvBlock(torch.nn.Module):
     def __init__(self,input_size,output_size,kernel_size=4,stride=2,padding=1,activation='relu',batch_norm=True):