Update app.py

app.py

@@ -134,7 +134,7 @@ def wait_for_cpu(threshold=90, interval=3, timeout=30):
 
 demo = gr.Interface(
     fn=process_folder,
-    inputs=gr.File(file_types=[".jpg", ".jpeg", ".png"], file_count="multiple", label="Upload Comic Images"),
+    inputs=gr.File(file_types=[".jpg", ".jpeg", ".png",".JPG", ".JPEG", ".PNG"], file_count="multiple", label="Upload Comic Images"),
     outputs=gr.File(label="Download Cleaned Zip"),
     concurrency_limit=1,
     title="Comic Text Cleaner",