Update app.py

app.py

@@ -21,7 +21,7 @@ def preprocess(img):
     cv2.imwrite("4_dilate.png", img_dilate)
 
     # Erode the dilated edges
-    img_erode = cv2.erode(img_dilate, kernel, iterations=2)
+    img_erode = cv2.erode(img_dilate, kernel, iterations=1.5)
     cv2.imwrite("5_erode.png", img_erode)
 
     return img_erode