[buildbot] docker: master/worker: fix issue with latest stable sqlalchemy

[LEDE Commits]

ynezz pushed a commit to buildbot.git, branch master:
https://git.openwrt.org/1d17927e74896df84208da090c80c2d1791d5fe6

commit 1d17927e74896df84208da090c80c2d1791d5fe6
Author: Petr Štetiar <ynezz at true.cz>
AuthorDate: Mon Mar 15 23:39:55 2021 +0100

    docker: master/worker: fix issue with latest stable sqlalchemy
    
    Fixes following issue with sqlalchemy version 1.4.0 and too relaxed
    dependecies `sqlalchemy>=1.2.0` in buildbot:
    
     Traceback (most recent call last):
       File "/usr/local/bin/buildbot", line 8, in <module>
         sys.exit(run())
         from buildbot.db import enginestrategy
       ...
       File "/usr/local/lib/python3.7/dist-packages/buildbot/db/enginestrategy.py", line 154, in <module>
         class BuildbotEngineStrategy(strategies.PlainEngineStrategy):
     AttributeError: module 'sqlalchemy.engine.strategies' has no attribute 'PlainEngineStrategy'
    
    References: https://github.com/buildbot/buildbot/issues/5911
    Signed-off-by: Petr Štetiar <ynezz at true.cz>
---
 docker/buildmaster/Dockerfile | 1 +
 docker/buildworker/Dockerfile | 1 +
 2 files changed, 2 insertions(+)

diff --git a/docker/buildmaster/Dockerfile b/docker/buildmaster/Dockerfile
index 1cf4d56..aa8fa10 100644
--- a/docker/buildmaster/Dockerfile
+++ b/docker/buildmaster/Dockerfile
@@ -29,6 +29,7 @@ RUN \
 RUN pip3 install -U pip
 RUN \
 	pip3 install \
+		"sqlalchemy==1.3.23" \
 		"buildbot-www==$BUILDBOT_VERSION" \
 		"buildbot-waterfall-view==$BUILDBOT_VERSION" \
 		"buildbot-console-view==$BUILDBOT_VERSION" \
diff --git a/docker/buildworker/Dockerfile b/docker/buildworker/Dockerfile
index ae62c7f..deb182b 100644
--- a/docker/buildworker/Dockerfile
+++ b/docker/buildworker/Dockerfile
@@ -39,6 +39,7 @@ RUN \
 
 RUN pip3 install -U pip
 RUN pip3 install \
+		"sqlalchemy==1.3.23" \
 		"buildbot-worker==$BUILDBOT_VERSION" \
 		pyOpenSSL \
 		service_identity