[PR PATCH] dstat: patch to silence collections warnings

[heliocat <heliocat@users.noreply.github.com>]

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There is a new pull request by heliocat against master on the void-packages repository

https://github.com/heliocat/void-packages dstat
https://github.com/void-linux/void-packages/pull/28528

dstat: patch to silence collections warnings
Development on dstat is dead so whenever Python makes good on their
threat of removing direct access to collections.Sequence it will fail.

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#### General
- [ ] This is a new package and it conforms to the [quality requirements](https://github.com/void-linux/void-packages/blob/master/Manual.md#quality-requirements)

#### Have the results of the proposed changes been tested?
- [x] I use the packages affected by the proposed changes on a regular basis and confirm this PR works for me
- [ ] I generally don't use the affected packages but briefly tested this PR

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A patch file from https://github.com/void-linux/void-packages/pull/28528.patch is attached

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From ce5567f9d64628180512735c84ffa35f666f6961 Mon Sep 17 00:00:00 2001
From: Colin Booth <colin@heliocat.net>
Date: Fri, 5 Feb 2021 08:56:24 -0800
Subject: [PATCH] dstat: patch to silence collections warnings

Development on dstat is dead so whenever Python makes good on their
threat of removing direct access to collections.Sequence it will fail.
---
 srcpkgs/dstat/patches/dstat.patch | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 srcpkgs/dstat/patches/dstat.patch

diff --git a/srcpkgs/dstat/patches/dstat.patch b/srcpkgs/dstat/patches/dstat.patch
new file mode 100644
index 00000000000..4866b024755
--- /dev/null
+++ b/srcpkgs/dstat/patches/dstat.patch
@@ -0,0 +1,20 @@
+--- dstat.orig  2020-11-21 17:50:21.000000000 -0800
++++ dstat       2021-02-04 22:50:28.970723977 -0800
+@@ -19,7 +19,7 @@
+ from __future__ import absolute_import, division, generators, print_function
+ __metaclass__ = type
+ 
+-import collections
++import collections.abc
+ import fnmatch
+ import getopt
+ import getpass
+@@ -512,7 +512,7 @@
+                 scale = self.scales[i]
+             else:
+                 scale = self.scale
+-            if isinstance(self.val[name], collections.Sequence) and not isinstance(self.val[name], six.string_types):
++            if isinstance(self.val[name], collections.abc.Sequence) and not isinstance(self.val[name], six.string_types):
+                 line = line + cprintlist(self.val[name], ctype, self.width, scale)
+                 sep = theme['frame'] + char['colon']
+                 if i + 1 != len(self.vars):