From 091c9f3d047951c33443c415033a92cd4d5554c8 Mon Sep 17 00:00:00 2001
From: Anna Henningsen <anna@addaleax.net>
Date: Thu, 24 Feb 2022 17:14:33 +0100
Subject: [PATCH] fix(ci): pin mtools version to python3.6-compatible one

---
 testing/integration-testing-hooks.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/testing/integration-testing-hooks.ts b/testing/integration-testing-hooks.ts
index ce64df937d..83e21367ff 100644
--- a/testing/integration-testing-hooks.ts
+++ b/testing/integration-testing-hooks.ts
@@ -122,7 +122,9 @@ export async function getMlaunchPath(): Promise<{ exec: string[], env: Record<st
     ciLog('Trying to install mlaunch in ', tmpdir);
     // Pin pymongo to 3.12.2 because mlaunch does not seem to be compatible
     // with 4.0, see https://jira.mongodb.org/browse/MONGOSH-1072
-    await execFile('pip3', ['install', '--target', tmpdir, 'mtools[mlaunch]', 'pymongo==3.12.2']);
+    // Also pin mlaunch to 1.6.4, since we have Python 3.6 in CI and 1.7.0
+    // drops Python 3.6 support.
+    await execFile('pip3', ['install', '--target', tmpdir, 'mtools[mlaunch]==1.6.4', 'pymongo==3.12.2']);
     ciLog('Installation complete');
     [ exec ] = await tryExtensions(mlaunchPy);
     if (exec) {