diff --git a/calculator/calculator.py b/calculator/calculator.py index ab4570f177c87b43aa675b77bb094d01a156c3e9..58672ef0f77e55efb9cd531c33a77867c007bb31 100644 --- a/calculator/calculator.py +++ b/calculator/calculator.py @@ -18,7 +18,7 @@ class Calculator: operators = STANDARD_OPERATORS self.operators = operators - def tokenize(self, line: str) -> list[Token]: + def tokenize(self, line: str): """ Tokenize an expression into a list of tokens. """ @@ -34,7 +34,7 @@ class Calculator: raise ValueError(f"Invalid token {token}") from exc return tokens - def parse(self, tokens: list[Token]) -> Expression: + def parse(self, tokens) -> Expression: """ Parse a list of tokens into an ordered expression. """