From 80f9330cb41dfbbf9a1b061305d039b587304ada Mon Sep 17 00:00:00 2001
From: Ethan Dalool <git@voussoir.net>
Date: Wed, 12 Feb 2020 19:33:16 -0800
Subject: [PATCH] Use while and pop so that finished chunks can be garbaged.

Keeps memory usage stable instead of infinitely growing!
---
 pixelcanvas.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pixelcanvas.py b/pixelcanvas.py
index fa67112..95aa9e3 100644
--- a/pixelcanvas.py
+++ b/pixelcanvas.py
@@ -191,7 +191,9 @@ def download_bigchunk_range(bigchunk_xy1, bigchunk_xy2, threads=1):
             for (x, y) in bigchunks
         ]
         jobs = pool.add_many(kwargss)
+        while jobs:
         for job in jobs:
+            job = jobs.pop(0)
             job.join()
             if job.exception:
                 raise job.exception