Add type hints and other small stuff

tests/test_feeds.py

@@ -2,7 +2,7 @@ import os
 import tempfile
 from pathlib import Path
 
-from reader import make_reader
+from reader import Feed, Reader, make_reader
 
 from discord_rss_bot.feeds import send_to_discord
 
@@ -15,7 +15,7 @@ def test_send_to_discord() -> None:
         assert os.path.exists(temp_dir)
 
         # Create a temporary reader.
-        reader = make_reader(url=str(Path(temp_dir, "test_db.sqlite")))
+        reader: Reader = make_reader(url=str(Path(temp_dir, "test_db.sqlite")))
         assert reader is not None
 
         # Add a feed to the reader.
@@ -25,19 +25,19 @@ def test_send_to_discord() -> None:
         reader.update_feeds()
 
         # Get the feed.
-        feed = reader.get_feed("https://www.reddit.com/r/Python/.rss")
+        feed: Feed = reader.get_feed("https://www.reddit.com/r/Python/.rss")
         assert feed is not None
 
         # Get the webhook.
-        webhook_url = os.environ.get("TEST_WEBHOOK_URL")
+        webhook_url: str | None = os.environ.get("TEST_WEBHOOK_URL")
         assert webhook_url is not None
 
         # Add tag to the feed and check if it's there.
-        reader.set_tag(feed, "webhook", webhook_url)
+        reader.set_tag(feed, "webhook", webhook_url)  # type: ignore
         assert reader.get_tag(feed, "webhook") == webhook_url
 
         # Send the feed to Discord.
-        send_to_discord(reader=reader, feed=feed, do_once=True)
+        send_to_discord(custom_reader=reader, feed=feed, do_once=True)
 
         # Close the reader, so we can delete the directory.
         reader.close()