FIX: Add feature flag for arrow2 in prelude
use std::error::Error;
-use arrow2::io::parquet::write::CompressionOptions;
use crate::numerical::{
eigen,
eigen::{Eigen, EigenMethod::Jacobi},
@@ -8,12 +7,13 @@ use crate::numerical::{
spline,
spline::{CubicHermiteSpline, SlopeMethod::Quadratic},
};
-use crate::prelude::DataFrame;
use crate::structure::matrix::{self, Matrix};
use crate::structure::polynomial;
use crate::traits::math::{Norm, Normed};
#[cfg(feature="parquet")]
-use crate::structure::dataframe::WithParquet;
+use crate::structure::dataframe::{DataFrame, WithParquet};
+#[cfg(feature="parquet")]
+use arrow2::io::parquet::write::CompressionOptions;
/// Simple Norm
pub trait SimpleNorm: Normed {
