fix(twitch): Fix followage and whisper ctxvars.

twitch/ctxvars.py

@@ -4,23 +4,28 @@ from typing import Optional
 
 stuff = {}
 
+
 def register_var(name: str | None = None):
     def wrapper(coro):
         varname = name or coro.__name__
         stuff[varname] = coro
-        return coro 
+        return coro
+
     return wrapper
 
 
-@register_var('random')
+@register_var("random")
 async def random_func(ctx, a: int, b: Optional[int] = None):
+    a = int(a)
+    b = int(b) if b is not None else None
     if b is not None:
         low, high = a, b
     else:
         low, high = 0, a
     return random.randint(low, high)
 
-@register_var('user')
+
+@register_var("user")
 async def user_func(ctx, userstr: int | str):
     """
     Attempt to turn the given userstr into a user.