From 968cc5801b6b4df8ab965f708bbd57b669eb4d42 Mon Sep 17 00:00:00 2001
From: Brad Warren <bmw@users.noreply.github.com>
Date: Mon, 31 May 2021 00:03:25 -0700
Subject: [PATCH] delete eggs before running poetry (#8865)

---
 tools/pinning/pin.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/pinning/pin.sh b/tools/pinning/pin.sh
index ce47f02a0..91d20dc7c 100755
--- a/tools/pinning/pin.sh
+++ b/tools/pinning/pin.sh
@@ -17,6 +17,12 @@ if ! command -v poetry >/dev/null; then
     exit 1
 fi
 
+# Old eggs can cause outdated dependency information to be used by poetry so we
+# delete them before generating the lock file. See
+# https://github.com/python-poetry/poetry/issues/4103 for more info.
+cd "${REPO_ROOT}"
+rm -rf */*.egg-info
+
 cd "${WORK_DIR}"
 
 if [ -f poetry.lock ]; then