From fb8ee9f7ff164aff95a747c73d3924e9613a76b8 Mon Sep 17 00:00:00 2001
From: oobabooga <112222186+oobabooga@users.noreply.github.com>
Date: Tue, 19 Dec 2023 21:32:58 -0800
Subject: [PATCH] Add a specific error if HQQ is missing

---
 modules/models.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/modules/models.py b/modules/models.py
index f37f3d60..70316952 100644
--- a/modules/models.py
+++ b/modules/models.py
@@ -413,8 +413,12 @@ def ExLlamav2_HF_loader(model_name):
 
 
 def HQQ_loader(model_name):
-    from hqq.engine.hf import HQQModelForCausalLM
-    from hqq.core.quantize import HQQLinear, HQQBackend
+    try:
+        from hqq.engine.hf import HQQModelForCausalLM
+        from hqq.core.quantize import HQQLinear, HQQBackend
+    except ModuleNotFoundError:
+        logger.error("HQQ is not installed. You can install it with:\n\npip install hqq")
+        return None
 
     logger.info(f"Loading HQQ model with backend: {shared.args.hqq_backend}")