Update app.py

app.py

@@ -76,7 +76,7 @@ def extract_middle_slices(nifti_path, output_image_path, slice_size=180):
     # Define half the slice size
     half_size = slice_size // 2
 
-    def extract_middle_slices(nifti_path, output_image_path, slice_size=180, center=None):
+def extract_middle_slices(nifti_path, output_image_path, slice_size=180, center=None):
     """
     Extracts slices from a 3D NIfTI image. If a center is provided, it uses it;
     otherwise, computes the center of mass of non-zero voxels. Slices are taken