Add more pre-commit hooks

Hooks added:

* check-merge-conflict - checks for files with merge conflict strings
* check-toml - attempts to load all toml files to verify syntax
* check-yaml - attempts to load all yaml files to verify syntax
* end-of-file-fixer - ensures files end in a newline and only a newline
* mixed-line-ending - replaces mixed line endings with LF
* trailing-whitespace - trims trailing whitespace
* python-check-blanket-noqa - enforces that noqa annotations always
  occur with specific codes

Changes made to comply with new hooks:

* Remove trailing whitespaces
* Convert some CRLF files to LF
* Remove noqa and add missing type annotations
* Add missing newlines at end of files

See: python-discord/organisation#138

1 files changed, 1 insertions, 1 deletions

diff --git a/bot/seasons/halloween/hacktoberstats.py b/bot/seasons/halloween/hacktoberstats.py
index fbadb7cc..d61e048b 100644
--- a/bot/seasons/halloween/hacktoberstats.py
+++ b/bot/seasons/halloween/hacktoberstats.py
@@ -334,7 +334,7 @@ class HacktoberStats(commands.Cog):
         return author_id, author_mention
 
 
-def setup(bot):  # Noqa
+def setup(bot: commands.Bot) -> None:
     """Hacktoberstats Cog load."""
     bot.add_cog(HacktoberStats(bot))
     log.info("HacktoberStats cog loaded")