Fix CI errors

- Add launcher imports to flexible launchers __init__.py
- Update import statements in test_llm_family.py to use get_registered_llm_families

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: OliverBryant

xinference/model/flexible/launchers/__init__.py

@@ -11,3 +11,8 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
+from .image_process_launcher import launcher as image_process
+from .modelscope_launcher import launcher as modelscope
+from .transformers_launcher import launcher as transformers
+from .yolo_launcher import launcher as yolo

xinference/model/llm/tests/test_llm_family.py

@@ -207,7 +207,11 @@ def test_cache_from_uri_local():
 
 
 def test_custom_llm():
-    from ..custom import get_user_defined_llm_families, register_llm, unregister_llm
+    from ..custom import get_registered_llm_families as get_user_defined_llm_families
+    from ..custom import (
+        register_llm,
+        unregister_llm,
+    )
 
     spec = LlamaCppLLMSpecV2(
         model_format="ggufv2",
@@ -239,7 +243,11 @@ def test_custom_llm():
 
 def test_persistent_custom_llm():
     from ....constants import XINFERENCE_MODEL_DIR
-    from ..custom import get_user_defined_llm_families, register_llm, unregister_llm
+    from ..custom import get_registered_llm_families as get_user_defined_llm_families
+    from ..custom import (
+        register_llm,
+        unregister_llm,
+    )
 
     spec = LlamaCppLLMSpecV2(
         model_format="ggufv2",
@@ -663,7 +671,11 @@ def test_quert_engine_SGLang():
 
 
 def test_query_engine_general():
-    from ..custom import get_user_defined_llm_families, register_llm, unregister_llm
+    from ..custom import get_registered_llm_families as get_user_defined_llm_families
+    from ..custom import (
+        register_llm,
+        unregister_llm,
+    )
     from ..llama_cpp.core import XllamaCppModel
     from ..llm_family import LLM_ENGINES, check_engine_by_spec_parameters