Update app.py

app.py

@@ -18,14 +18,19 @@ def resize_image(img, max_height=500):
         img = img.resize((new_width, max_height), resample=Image.Resampling.LANCZOS)
     return img
 
-# --- Custom Cropper (No NumPy crash) ---
+# --- Final Safe Custom Cropper ---
 def custom_cropper(image, key="canvas_crop"):
     st.markdown("🖍️ Draw a rectangle over the area you want to crop.")
 
-    try:
-        background_array = np.asarray(image)
-    except Exception:
-        background_array = None
+    # ✅ Safe conversion to array (avoids ValueError)
+    background_array = None
+    if image is not None:
+        try:
+            arr = np.array(image)
+            if isinstance(arr, np.ndarray) and arr.size > 0:
+                background_array = arr
+        except Exception:
+            background_array = None
 
     canvas_result = st_canvas(
         fill_color="rgba(255, 165, 0, 0.3)",