# HG changeset patch
# User Franz Glasner <f.glasner@feldmann-mg.com>
# Date 1692196122 -7200
# Node ID ea1a6beadc6c4f97f469a8351147a7fd0fd1702e
# Parent  a8bcb22341cd751b30d226d29e4ef96a44e2b950
Docs

diff -r a8bcb22341cd -r ea1a6beadc6c configmix/config.py
--- a/configmix/config.py	Wed Aug 16 16:15:58 2023 +0200
+++ b/configmix/config.py	Wed Aug 16 16:28:42 2023 +0200
@@ -831,7 +831,9 @@
         """Internal variant of :meth:`~.getvar_s` that returns some information
         whether caching of interpolated values is allowed
 
-        Caching is currently not allowed when namespaces are used.
+        Caching is currently not allowed when namespaces are used --
+        as their implementations may not be deeterministic (or
+        ``immutable`` in the sense of PostgreSQL).
 
         Currently used by :meth:`~.interpolate_variables`.