Update app.py

app.py

@@ -1,5 +1,4 @@
 import cv2
-import os
 import numpy as np
 from PIL import Image
 Image.MAX_IMAGE_PIXELS = None
@@ -25,24 +24,20 @@ def freemium_watermark(img, sb_logo):
 
 sb_logo = Image.open("./SB_logo_horizontal.png")
 
-examples = [
-    os.path.join(os.path.dirname(__file__), "trailer.jpg"),
-    os.path.join(os.path.dirname(__file__), "road.jpg"),
-]
-
 with gr.Blocks() as demo:
     with gr.Row():
         with gr.Column():
-            input = gr.Image(type="filepath", label="Upload Image", sources=["upload"])
+            input = gr.Image(type="pil", label="Upload Image", sources=["upload"])
         with gr.Column():
             image = gr.Image(label="Sketch Drawing", show_share_button=False)
-    examples = gr.Examples(examples=["road.jpg", "trailer.jpg"], inputs=[input])
+    examples = gr.Examples(examples=["road_small.jpg", "preview_small.jpg", "trailer.jpg"], inputs=[input], cache_examples=True)
     @gr.on(inputs=[input], outputs=[image], show_progress="minimal")
     def sketch(input_path):   
         if input_path is None:
             return None
-        with Image.open(input_path) as img:
-            img_array = np.array(img)
+        # with Image.open(input_path) as img:
+        #     img_array = np.array(img)
+        img_array = np.array(input_path)
         # Line processing
         blurred = cv2.GaussianBlur(img_array, (7, 7), 0)
         edges = cv2.Canny(blurred, 100, 180)