From 8fec1c573b9b2d77ad8d21a0644c03fb44200c5d Mon Sep 17 00:00:00 2001
From: Ben Jeffery <ben.jeffery@gmail.com>
Date: Wed, 20 Sep 2023 07:00:58 +0100
Subject: [PATCH] Prevent memory leak if user calls VCF.close() (#280)

---
 cyvcf2/cyvcf2.pyx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cyvcf2/cyvcf2.pyx b/cyvcf2/cyvcf2.pyx
index c9da11c..bba9141 100644
--- a/cyvcf2/cyvcf2.pyx
+++ b/cyvcf2/cyvcf2.pyx
@@ -559,7 +559,7 @@ cdef class VCF(HTSFile):
     contains = __contains__
 
     def __dealloc__(self):
-        if self.hts != NULL and self.hdr != NULL:
+        if self.hdr != NULL:
             bcf_hdr_destroy(self.hdr)
             self.hdr = NULL
         self.close()