Update app.py

app.py

@@ -35,7 +35,7 @@ def pre_process(image):
         y = ants.denoise_image(yn, ants.get_mask(y))
     with st.spinner('brain_extraction fn. running...'):
         x = antspynet.utilities.brain_extraction(
-            y, modality='t1', antsxnet_cache_directory=None, verbose=True)
+            y, modality='t1', verbose=True)
         y = y*x
     with st.spinner('Registering from template..'):
         y1 = ants.registration(fixed=template, moving=y,