From 3b5dd79d3df8154347e688c7d7ea12ff72e0ac9a Mon Sep 17 00:00:00 2001
From: Peter Cock <p.j.a.cock@googlemail.com>
Date: Thu, 15 Dec 2022 14:57:59 +0000
Subject: [PATCH] Use Counter() not defaultdict(int)

This appears to solve an apparent memory leak.
---
 thapbi_pict/sample_tally.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/thapbi_pict/sample_tally.py b/thapbi_pict/sample_tally.py
index dee95b50b..ff1f03e3f 100644
--- a/thapbi_pict/sample_tally.py
+++ b/thapbi_pict/sample_tally.py
@@ -98,8 +98,8 @@ def main(
     assert marker
 
     totals = Counter()
-    counts = defaultdict(int)
-    sample_counts = defaultdict(int)
+    counts = Counter()
+    sample_counts = Counter()
     sample_cutadapt = {}  # before any thresholds
     samples = set()
     sample_pool = {}