From 76b02ed5f9b37e4a7ea316c3e02f0f6fe25b5ec0 Mon Sep 17 00:00:00 2001
From: Jake Howard <git@theorangeone.net>
Date: Tue, 18 Dec 2018 21:12:29 +0000
Subject: [PATCH] Don't raise if a process vanishes before evaluation

---
 tests/__init__.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/tests/__init__.py b/tests/__init__.py
index 8a054ed..a1cc234 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -6,6 +6,7 @@ import time
 from pathlib import Path
 from unittest import TestCase
 
+import psutil
 from aiohttp.test_utils import AioHTTPTestCase, unused_port
 from aiounittest import AsyncTestCase
 from click.testing import CliRunner
@@ -35,8 +36,11 @@ class BaseTestCase(TestCase):
     def terminate_dummy_processes(self):
         dummy_processes = []
         for process in get_root_process().children(recursive=True):
-            if str(self.DUMMY_EXE) in " ".join(process.cmdline()):
-                dummy_processes.append(process)
+            try:
+                if str(self.DUMMY_EXE) in " ".join(process.cmdline()):
+                    dummy_processes.append(process)
+            except psutil.NoSuchProcess:
+                continue
         terminate_processes(dummy_processes)
 
     def tearDown(self):