From 2fceb0c2aaa4e864523883c021d81f89d711ab15 Mon Sep 17 00:00:00 2001
From: David Caplan <dcaplan@gmail.com>
Date: Fri, 24 Oct 2014 10:50:00 -0400
Subject: [PATCH] fix double quoting issue when writing VCFs

---
 vcf/parser.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/vcf/parser.py b/vcf/parser.py
index 411d94d..1f72b64 100644
--- a/vcf/parser.py
+++ b/vcf/parser.py
@@ -634,7 +634,9 @@ class Writer(object):
     counts = dict((v,k) for k,v in field_counts.iteritems())
 
     def __init__(self, stream, template, lineterminator="\n"):
-        self.writer = csv.writer(stream, delimiter="\t", lineterminator=lineterminator)
+        self.writer = csv.writer(stream, delimiter="\t",
+                                 lineterminator=lineterminator,
+                                 quotechar='', quoting=csv.QUOTE_NONE)
         self.template = template
         self.stream = stream