Update app.py

app.py

@@ -771,7 +771,7 @@ def main():
     all_files = [file for file in all_files if len(os.path.splitext(file)[0]) >= 10]  # exclude files with short names
     all_files.sort(key=lambda x: (os.path.splitext(x)[1], x), reverse=True)  # sort by file type and file name in descending order
 
-    filekey = 'del' + str(file)
+    filekey = 'delall'
     if st.sidebar.button("🗑 Delete All", key=filekey):
         for file in all_files:
             os.remove(file)