Method check_lvalue_validity

mypy/semanal.py:4703–4707

(self, node: Expression | SymbolNode | None, ctx: Context)

        return isinstance(node, Var) and node.is_self

    def check_lvalue_validity(self, node: Expression | SymbolNode | None, ctx: Context) -> None:
        if isinstance(node, TypeVarExpr):
            self.fail("Invalid assignment target", ctx)
        elif isinstance(node, TypeInfo):
            self.fail(message_registry.CANNOT_ASSIGN_TO_TYPE, ctx)

    def store_declared_types(self, lvalue: Lvalue, typ: Type) -> None:
        if isinstance(lvalue, RefExpr):