From 28eac4b18bc69ca4117d0cd6bdf6a9e2363d7e38 Mon Sep 17 00:00:00 2001
From: Jakub Trllo <43494761+iLLiCiTiT@users.noreply.github.com>
Date: Thu, 24 Jul 2025 15:24:16 +0200
Subject: [PATCH] added HostBase validation

---
 client/ayon_core/pipeline/context_tools.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/client/ayon_core/pipeline/context_tools.py b/client/ayon_core/pipeline/context_tools.py
index 2b4f9d45b8..e8a770ec54 100644
--- a/client/ayon_core/pipeline/context_tools.py
+++ b/client/ayon_core/pipeline/context_tools.py
@@ -99,13 +99,18 @@ def registered_root():
     return _registered_root["_"]
 
 
-def install_host(host):
+def install_host(host: HostBase) -> None:
     """Install `host` into the running Python session.
 
     Args:
         host (HostBase): A host interface object.
 
     """
+    if not isinstance(host, HostBase):
+        log.error(
+            f"Host must be a subclass of 'HostBase', got '{type(host)}'."
+        )
+
     global _is_installed
 
     _is_installed = True