chore: skip typing_extensions license check (#9120)

* chore: skip typing_extensions license check

* unrelated: remove unused imports to fix linting

Author: anakin87

.github/workflows/license_compliance.yml

@@ -41,9 +41,10 @@ jobs:
           requirements: ${{ env.REQUIREMENTS_FILE }}
           fail: "Copyleft,Other,Error"
           # Exclusions in the vanilla distribution must be explicitly motivated
-          #
+          # - typing_extensions>=4.13.0 has a Python Software Foundation License 2.0 but pip-license-checker does not recognize it
+          #   (https://github.com/pilosus/pip-license-checker/issues/143)
           # - tqdm is MLP but there are no better alternatives
-          exclude: "(?i)^(tqdm).*"
+          exclude: "(?i)^(tqdm|typing_extensions).*"
 
       # We keep the license inventory on FOSSA
       - name: Send license report to Fossa

haystack/utils/hf.py

@@ -3,7 +3,6 @@
 # SPDX-License-Identifier: Apache-2.0
 
 import copy
-import inspect
 from enum import Enum
 from typing import Any, Callable, Dict, List, Optional, Union
 
@@ -17,7 +16,7 @@
     import torch
 
 with LazyImport(message="Run 'pip install \"huggingface_hub>=0.27.0\"'") as huggingface_hub_import:
-    from huggingface_hub import HfApi, InferenceClient, model_info
+    from huggingface_hub import HfApi, model_info
     from huggingface_hub.utils import RepositoryNotFoundError
 
 logger = logging.getLogger(__name__)