Fix linting errors

pyproject.toml

@@ -17,7 +17,7 @@ ruff = "^0.0.289"
 
 [tool.ruff]
 select = ["ALL"]
-ignore = ["D211", "D213"]
+ignore = ["D211", "D213", "T201"]
 
 [tool.ruff.per-file-ignores]
 "tests/**" = ["D", "S101", "S105", "INP001", "ANN201"]

src/python_starter/__init__.py

@@ -1,3 +1,3 @@
 """String calculator."""
 
-from .calculator import evaluate
+from .calculator import evaluate  # noqa: F401

src/python_starter/calculator.py

@@ -1,3 +1,4 @@
+"""String calculator."""
 import sys
 
 
@@ -6,6 +7,7 @@ def evaluate(expression: str) -> int:
     return 0
 
 
-def main():
-    input = " ".join(sys.argv[1:])
-    print(f"{input} = {evaluate(input)}")
+def main() -> None:
+    """Calculate the value of a mathematical expression."""
+    expression = " ".join(sys.argv[1:])
+    print(f"{expression} = {evaluate(input)}")

tests/test_calculator.py

@@ -1,18 +1,17 @@
 import pytest
-
 from python_starter import evaluate
 
 
 @pytest.mark.parametrize(
-    "expression, expected",
-    (
+    ("expression", "expected"),
+    [
         ("0", 0),
         # ("1 + 2", 3),
         # ("1 + 2", 3),
         # ("(1 + 2) * 5 / 2 + -3 * 7", -14)
-    ),
+    ],
 )
-def test_expression(expression, expected):
+def test_expression(expression: str, expected: int):
     # When the expression is evaluated
     result = evaluate(expression)