style: prefer literal syntax as per pre-commit check-builtin-literals

Signed-off-by: Rongrong <[email protected]>

src/command/inner/sub.py

@@ -240,8 +240,8 @@ async def unsubs(user_id: int,
         return None
 
     coroutines = (
-            (tuple(unsub(user_id, feed_url=url, lang=lang) for url in feed_urls) if feed_urls else tuple())
-            + (tuple(unsub(user_id, sub_id=sub_id, lang=lang) for sub_id in sub_ids) if sub_ids else tuple())
+            (tuple(unsub(user_id, feed_url=url, lang=lang) for url in feed_urls) if feed_urls else ())
+            + (tuple(unsub(user_id, sub_id=sub_id, lang=lang) for sub_id in sub_ids) if sub_ids else ())
     )
 
     result = await asyncio.gather(*coroutines)

src/command/inner/utils.py

@@ -59,7 +59,7 @@ def calculate_update(old_hashes: Optional[Sequence[str]], entries: Sequence[dict
 
 
 def filter_urls(urls: Optional[Iterable[str]]) -> tuple[str, ...]:
-    return tuple(filter(lambda x: x.startswith('http://') or x.startswith('https://'), urls)) if urls else tuple()
+    return tuple(filter(lambda x: x.startswith('http://') or x.startswith('https://'), urls)) if urls else ()
 
 
 # copied from command.utils

src/parsing/medium.py

@@ -905,14 +905,14 @@ async def upload_all(
         ret = []
         allow_in_group = (
                 ((media,) if self.allow_mixing_images_and_videos and not self.consider_videos_as_gifs else (images,))
-                + (tuple() if self.consider_videos_as_gifs or self.allow_mixing_images_and_videos else (videos,))
+                + (() if self.consider_videos_as_gifs or self.allow_mixing_images_and_videos else (videos,))
                 + (audios,)
-                + ((files,) if self.allow_files_sent_as_album else tuple())
+                + ((files,) if self.allow_files_sent_as_album else ())
         )
         disallow_in_group = (
-                ((videos,) if self.consider_videos_as_gifs else tuple())
+                ((videos,) if self.consider_videos_as_gifs else ())
                 + (gifs,)
-                + (tuple() if self.allow_files_sent_as_album else (files,))
+                + (() if self.allow_files_sent_as_album else (files,))
         )
         for list_to_process in allow_in_group:
             while list_to_process: