adjustments based on PR comments

Author: CloseChoice

src/input/shared.rs

@@ -234,7 +234,6 @@ pub fn fraction_as_int<'py>(
 ) -> ValResult<EitherInt<'py>> {
     let py = fraction.py();
 
-    // as_integer_ratio was added in Python 3.8, so this should be fine
     let (numerator, denominator) = fraction
         .call_method0(intern!(py, "as_integer_ratio"))?
         .extract::<(Bound<'_, PyAny>, Bound<'_, PyAny>)>()?;

src/validators/fraction.rs

@@ -84,14 +84,6 @@ impl Validator for FractionValidator {
     ) -> ValResult<Py<PyAny>> {
         let fraction = input.validate_fraction(state.strict_or(self.strict), py)?.unpack(state);
 
-        // let mut is_nan: Option<bool> = None;
-        // let mut is_nan = || -> PyResult<bool> {
-        //     match is_nan {
-        //         Some(is_nan) => Ok(is_nan),
-        //         None => Ok(*is_nan.insert(decimal.call_method0(intern!(py, "is_nan"))?.extract()?)),
-        //     }
-        // };
-
         if let Some(le) = &self.le {
             if !fraction.le(le)? {
                 return Err(ValError::new(