Update app.py

app.py

@@ -20,6 +20,9 @@ if not os.path.exists('images'):
     with zipfile.ZipFile('images.zip', 'r') as zip_ref:
         zip_ref.extractall('.')
 
+os.system('wget https://conversationhub.blob.core.windows.net/textdiffuserdemo/404.jpg')
+
+
 if not os.path.exists('Arial.ttf'):
     os.system('wget https://conversationhub.blob.core.windows.net/textdiffuserdemo/Arial.ttf')
 
@@ -456,7 +459,7 @@ def has_chinese_char(string):
     else:
         return False
 
-image_404 = Image.open('file/images/404.jpg')
+image_404 = Image.open('404.jpg')
 
 def text_to_image(prompt,slider_step,slider_guidance,slider_batch):