bug: google-cloud-asset fails generation due to missing dependency.

[chalmerlowe]

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Summary of the issue

google-cloud-asset fails to regenerate successfully due to a missing dependency:

google-cloud-org-policy

• Update the post-processing for a short term fix
• Add the dependency to the gapic generation templates for a long term fix AND then remove the post-processing

API client name and version

gapic generator 1.32.0

Reproduction steps: code

N/A

Reproduction steps: supporting files

N/A

Reproduction steps: actual results

Traceback from unit-3.10, 3.14, prerelease nox sessions.

______________________________________ ERROR collecting tests/unit/gapic/asset_v1p5beta1/test_asset_service.py ______________________________________
ImportError while importing test module '/repo/google-cloud-python/fix-asset-1.32.0-v2/packages/google-cloud-asset/tests/unit/gapic/asset_v1p5beta1/test_asset_service.py'.
Hint: make sure your test modules/packages have valid Python names.
Traceback:
/usr/local/lib/python3.14/importlib/__init__.py:88: in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
tests/unit/gapic/asset_v1p5beta1/test_asset_service.py:56: in <module>
    from google.cloud.asset_v1p5beta1.services.asset_service import (
google/cloud/asset_v1p5beta1/__init__.py:26: in <module>
    from .services.asset_service import AssetServiceAsyncClient, AssetServiceClient
google/cloud/asset_v1p5beta1/services/asset_service/__init__.py:16: in <module>
    from .async_client import AssetServiceAsyncClient
google/cloud/asset_v1p5beta1/services/asset_service/async_client.py:49: in <module>
    from google.cloud.asset_v1p5beta1.services.asset_service import pagers
google/cloud/asset_v1p5beta1/services/asset_service/pagers.py:41: in <module>
    from google.cloud.asset_v1p5beta1.types import asset_service, assets
google/cloud/asset_v1p5beta1/types/__init__.py:16: in <module>
    from .asset_service import (
google/cloud/asset_v1p5beta1/types/asset_service.py:23: in <module>
    from google.cloud.asset_v1p5beta1.types import assets as gca_assets
google/cloud/asset_v1p5beta1/types/assets.py:20: in <module>
    import google.cloud.orgpolicy.v1.orgpolicy_pb2 as orgpolicy_pb2  # type: ignore
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
E   ModuleNotFoundError: No module named 'google.cloud.orgpolicy'

Reproduction steps: expected results

OS & version + platform

No response

Python environment

3.10, 3.14

Python dependencies

No response

Additional context

No response