Update app.py

app.py

@@ -4,7 +4,7 @@ import subprocess
 
 
 def remove_background(input_img):
-     subprocess.call(['sh', 'copylib.sh']) 
+    subprocess.call(['sh', 'copylib.sh']) 
     output_path = f'output.png + {id(input_img)}'
     output = remove(input_img)
     output.save(output_path)