From a9b29a7ecdeb5dcd7e0e89a1493bfa9ae5fbd23d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?B=C3=A1lint=20Pat=C3=B3?= <balintp@google.com>
Date: Fri, 11 Jun 2021 23:44:37 -0700
Subject: [PATCH] fixing notebook test errors when no tests collected

---
 check/pytest | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/check/pytest b/check/pytest
index 838d94e4f1a..1eb844b11f6 100755
--- a/check/pytest
+++ b/check/pytest
@@ -41,9 +41,17 @@ fi
 
 if [ -z "${ACTUALLY_QUIET}" ]; then
     pytest "${PYTEST_ARGS[@]}"
+    RESULT=$?
 else
     # Filter out lines like "...F....x...      [ 42%]", with coloring.
     pytest -q --color=yes "${PYTEST_ARGS[@]}" |
         perl -nle'print if not m{^(.\[0m)?[\.FEsx]+(.\[36m)?\s+\[\s*\d+%\](.\[0m)?$}'
-    exit "${PIPESTATUS[0]}"
+    RESULT=${PIPESTATUS[0]}
 fi
+
+if [ "$RESULT" = 5 ]; then
+  echo "[exit 5] No tests collected, but ignored."
+  exit 0
+fi
+
+exit "$RESULT"
\ No newline at end of file