fix mypy errs

Author: BobTheBuidler

mypyc/irbuild/for_helpers.py

@@ -1210,9 +1210,9 @@ def get_expr_length(expr: Expression) -> int | None:
         elif fullname == "builtins.zip" and expr.args:
             arg_lengths = [get_expr_length(arg) for arg in expr.args]
             if all(arg is not None for arg in arg_lengths):
-                return min(arg_lengths)
+                return min(arg_lengths)  # type: ignore [type-var]
         elif fullname == "builtins.range" and all(isinstance(arg, IntExpr) for arg in expr.args):
-            return len(range(*(arg.value for arg in expr.args)))
+            return len(range(*(arg.value for arg in expr.args)))  # type: ignore [attr-defined]
 
     # TODO: extend this, passing length of listcomp and genexp should have worthwhile
     # performance boost and can be (sometimes) figured out pretty easily. set and dict