From 32337b45fecf5d2b64aac30908ad7a68451f45ab Mon Sep 17 00:00:00 2001
From: "Yuri (solarw) Turchenkov" <solarw.mail@gmail.com>
Date: Wed, 15 Feb 2023 10:54:25 +0300
Subject: [PATCH] small validation error message formatting fix

---
 aea/configurations/validation.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aea/configurations/validation.py b/aea/configurations/validation.py
index 1c77034aaf..243d98bb35 100644
--- a/aea/configurations/validation.py
+++ b/aea/configurations/validation.py
@@ -243,7 +243,7 @@ def _validate(self, instance: Dict) -> None:
     @staticmethod
     def _build_message_from_errors(errors: List[jsonschema.ValidationError]) -> str:
         """Build an error message from validation errors."""
-        path = lambda error: ".".join(list(error.path))  # noqa # type: ignore
+        path = lambda error: "::".join(map(str, error.path))  # noqa
         result = [f"{path(error)}: {error.message}" for error in errors]
         return "The following errors occurred during validation:\n - " + "\n - ".join(
             result