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-rw-r--r--pyhegp/serialization.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/pyhegp/serialization.py b/pyhegp/serialization.py
index 657e4ec..4b49041 100644
--- a/pyhegp/serialization.py
+++ b/pyhegp/serialization.py
@@ -57,4 +57,4 @@ def read_genotype(genotype_file):
     return np.loadtxt(genotype_file, delimiter=",")
 
 def write_genotype(file, genotype):
-    np.savetxt(file, genotype, delimiter=",", fmt="%f")
+    np.savetxt(file, genotype, delimiter=",", fmt="%.8g")