Update linux_wallpaper_changer.py

Author: AdityaJ7

Scripts/Miscellaneous/Linux_Wallpaper_Changer/linux_wallpaper_changer.py

@@ -24,7 +24,7 @@ def get_file():
 
 def set_wallpaper():
     # Return if an image file is not selected
-    if filename == None:
+    if filename is None:
         return
     # Identify the user's platform (Windows, Linux or Mac OS)
     user_os = platform.lower()
@@ -55,4 +55,4 @@ def set_wallpaper():
 # Buttons to get file path and set the wallpaper
 file_chooser = Button(text="Choose an image (JPEG or PNG)", height=1, width=30, command=get_file).pack(pady=5)
 submit_button = Button(text="Set as wallpaper", height=2, width=30, command=set_wallpaper).pack(pady=5)
-window.mainloop()
+window.mainloop()