make mypy happy

Author: Fidget-Spinner

Tools/cases_generator/tier2_generator.py

@@ -93,7 +93,7 @@ def deopt_if(
         self.emit("}\n")
         return not always_true(first_tkn)
 
-    def exit_if(
+    def exit_if(     # type: ignore[override]
         self,
         tkn: Token,
         tkn_iter: TokenIterator,

Tools/cases_generator/tracer_generator.py

@@ -117,7 +117,7 @@ def deopt_if(
 
 def generate_tracer_cases(
     analysis: Analysis, out: CWriter
-):
+) -> None:
     out.emit(f"#ifdef _Py_TIER2 /* BEGIN TRACING INSTRUCTIONS */\n")
     generate_tier1_cases(analysis, out, TracerEmitter(out, analysis.labels), is_tracing=True)
     out.emit(f"#endif /* END TRACING INSTRUCTIONS */\n")