Added some return types

I just realised that I earlier commited to main instead of dev, uhh

src/install/loadingbar.py

@@ -274,7 +274,7 @@ def update(self, amount: int) -> None:
             self.idx += amount
             self.refresh()
 
-    def set_desc(self, description: str):
+    def set_desc(self, description: str) -> None:
         "Set the description"
 
         # Cut off the description if it's longer than the terminal width

src/install/media.py

@@ -141,7 +141,7 @@ def _prepare_media(self, media_type: str, media_list: MediaList) -> None:
             print(f"  {media['slug']} ({parse.unquote(media['name'])})")
 
 
-def download_file(url: str, fname: str, bar: loadingbar[int]):
+def download_file(url: str, fname: str, bar: loadingbar[int]) -> None:
     try:
         # Download and write the file
         with request.urlopen(url) as resp, open(fname, 'wb') as media_file:

src/install/modloaders.py

@@ -307,7 +307,10 @@ def install_libraries(self) -> None:
             rules = library.get('rules', [])
 
             self.libraries[library['name']] = library['downloads']['artifact']
-            self.libraries[library['name']].update(rules[-1] if rules else {})
+
+            # A bug in the type checker, it worked earlier
+            self.libraries[library['name']].update(
+                rules[-1] if rules else {})  # type: ignore
 
         # Define the total size
         total_size = sum([library['size']
@@ -398,7 +401,7 @@ def inst_modloader(
     side: Side,
     install_path: str,
     launcher_path: str
-):
+) -> None:
     """
     Installs the modloader. Used internally by media.py
 

src/runner.py

@@ -103,7 +103,7 @@ def __new__(cls) -> _Args:
         return _Args(**vars(cls.parser.parse_args()))
 
     @classmethod
-    def _cli(cls, args: _Args):
+    def _cli(cls, args: _Args) -> None:
         """Ask questions and execute `install()` with the answers"""
 
         _T = TypeVar("_T")
@@ -159,7 +159,7 @@ def ask_yes(arg: bool, question: str) -> bool:
         install(**answers)
 
     @classmethod
-    def execute(cls, args: _Args):
+    def execute(cls, args: _Args) -> None:
         if args.s not in ('client', 'server') and args.s is not None:
             raise TypeError(
                 "side has to be either 'client', 'server' or None.")
@@ -189,7 +189,7 @@ def execute(cls, args: _Args):
                 )
 
 
-def main():
+def main() -> None:
     # Get the command-line arguments
     args = parse()