fix: use env var configured multimodal library override paths when loading shared libraries (abetlen#1782)

* Fix LLAVA_CPP_LIB creating empty path

The LLAVA_CPP_LIB environmental variable was correctly checked for, but if found, an empty path was created.

* docs: update multimodal override changelog entry

---------

Co-authored-by: Andrei <abetlen@gmail.com>

Author: navratil-matej

CHANGELOG.md

@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+- fix: use env var configured multimodal library override paths when loading shared libraries by @navratil-matej in #1782
 - feat: add Jinja2 loop controls to chat templates by @handshape in #2018
 - fix: avoid cleanup errors for partially initialized `LlamaModel` objects by @usernames122 in #2173
 - fix: suppress stdout and stderr in Jupyter notebooks by @Anai-Guo in #2181

llama_cpp/llava_cpp.py

@@ -39,7 +39,7 @@
 _libllava_base_path = (
     pathlib.Path(os.path.abspath(os.path.dirname(__file__))) / "lib"
     if _libllava_override_path is None
-    else pathlib.Path()
+    else pathlib.Path(_libllava_override_path)
 )
 
 # Load the library

llama_cpp/mtmd_cpp.py

@@ -43,7 +43,7 @@
 _libmtmd_base_path = (
     pathlib.Path(os.path.abspath(os.path.dirname(__file__))) / "lib"
     if _libmtmd_override_path is None
-    else pathlib.Path()
+    else pathlib.Path(_libmtmd_override_path)
 )
 
 # Load the library