Update app.py

app.py

@@ -59,10 +59,9 @@ def poisson_sharpening(img: np.ndarray, alpha: float) -> np.ndarray:
 
     return np.clip(v.reshape(img_h, img_w), 0, 1)
 
-@njit(parallel=True)
 def sharpen_image_channels(img, alpha):
     sharpen_img = np.zeros_like(img)
-    for b in prange(3):
+    for b in range(3):
         sharpen_img[:,:,b] = poisson_sharpening(img[:,:,b], alpha)
     return sharpen_img