From 832cc7c44a163ccb156c45e547d0cac90fe29593 Mon Sep 17 00:00:00 2001
From: Arun Isaac
Date: Wed, 8 Jun 2022 17:44:18 +0530
Subject: gn3: genodb: Read only the most recent genotype matrix.

The genotype database format now supports versioning of matrices. So, we
update genodb.py to return only the most recent genotype matrix.

* gn3/genodb.py (GenotypeDatabase.matrix): Return only the most recent
genotype matrix.
---
 gn3/genodb.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gn3/genodb.py b/gn3/genodb.py
index 62043d0..96bded6 100644
--- a/gn3/genodb.py
+++ b/gn3/genodb.py
@@ -17,7 +17,7 @@ class GenotypeDatabase:
     def get_metadata(self, hash, metadata):
         return self.txn.get(hash + b':' + metadata.encode())
     def matrix(self):
-        hash = self.get(b'current')
+        hash = self.get(b'current')[0:self.hash_length]
         return Matrix(self, hash)
 
 class Matrix():
-- 
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