chore: export LocalTokenizer to allow usage

PiperOrigin-RevId: 827674020

Author: speedstorm1

.github/workflows/import.yml

@@ -27,7 +27,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install setuptools wheel
+          pip install setuptools wheel sentencepiece protobuf
           pip install pytest
           pip install .
 

google/genai/__init__.py

@@ -18,8 +18,9 @@
 from . import types
 from . import version
 from .client import Client
+from .local_tokenizer import LocalTokenizer
 
 
 __version__ = version.__version__
 
-__all__ = ['Client']
+__all__ = ["Client", "LocalTokenizer"]