From 89ae8b18752ed555ed5f0653ae2644f646c19c6f Mon Sep 17 00:00:00 2001
From: "Dr. K. D. Murray" <1560490+kdm9@users.noreply.github.com>
Date: Sat, 13 Jul 2024 14:55:43 +0200
Subject: [PATCH] Update samplot_vcf.py

---
 samplot/samplot_vcf.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/samplot/samplot_vcf.py b/samplot/samplot_vcf.py
index 168689c..bd8d826 100644
--- a/samplot/samplot_vcf.py
+++ b/samplot/samplot_vcf.py
@@ -958,7 +958,8 @@ def generate_commands(
             logger.warning(
                 "BAMs missing from VCF samples: {}".format(", ".join(missing_bam_samples))
             )
-
+    
+    var_count = 0 # define it here, in case of zero variants (otherwise it will raise NameError when used below)
     for var_count, variant in enumerate(vcf):
         translocation_chrom = None
         svtype = variant.info.get("SVTYPE", "SV")