Fix epistasis table loading

Author: sirno

src/core/fitness/epistasis.rs

@@ -1,4 +1,4 @@
-use npyz::WriterBuilder;
+use npyz::{DType, WriterBuilder};
 use std::collections::HashMap;
 
 use crate::core::haplotype::Symbol;
@@ -9,7 +9,7 @@ use super::init::{FitnessDistribution, FitnessModel};
 
 type EpistasisTableKey = (usize, Symbol);
 
-#[derive(npyz::Deserialize, npyz::Serialize, npyz::AutoSerialize)]
+#[derive(Debug, npyz::Deserialize, npyz::Serialize, npyz::AutoSerialize)]
 pub struct EpiEntry {
     pos1: u64,
     base1: u8,

src/core/fitness/init.rs

@@ -181,7 +181,7 @@ impl EpiFileParameters {
     }
 
     pub fn load_epistasis(&self) -> Vec<EpiEntry> {
-        let reader = NpyFile::new(std::fs::File::open(&self.path).unwrap()).unwrap();
+        let reader = NpyFile::new(std::fs::File::open(&self.epi_path).unwrap()).unwrap();
         reader
             .data::<EpiEntry>()
             .unwrap()