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google-cloud-aiplatform[agent-engines] unconditionally imports pandas, causing ModuleNotFoundError #5928
Description
Installing google-cloud-aiplatform with the [agent-engines] extra results in a ModuleNotFoundError for pandas, even when not using evaluation features.
Any import from vertexai._genai, such as from vertexai._genai.types import AgentEngine, triggers a chain reaction that imports vertexai._genai.evals, which has a top-level import pandas.
This makes pandas a hard requirement for the [agent-engines] extra, when it should be an optional dependency only for the [evaluation] extra. The import should be deferred until evaluation-specific functions are actually called
=================================== ERRORS ====================================
_________ ERROR collecting tests/integration/test_agent_engine_app.py __________
ImportError while importing test module '/github/workspace/test-software-bug-assistan/tests/integration/test_agent_engine_app.py'.
Hint: make sure your test modules/packages have valid Python names.
Traceback:
/usr/local/lib/python3.11/importlib/__init__.py:126: in import_module
return _bootstrap._gcd_import(name[level:], package, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
tests/integration/test_agent_engine_app.py:21: in <module>
from software_bug_assistant.agent_engine_app import AgentEngineApp
software_bug_assistant/agent_engine_app.py:27: in <module>
from vertexai._genai.types import AgentEngine, AgentEngineConfig
.venv/lib/python3.11/site-packages/vertexai/_genai/__init__.py:17: in <module>
from . import evals
.venv/lib/python3.11/site-packages/vertexai/_genai/evals.py:27: in <module>
import pandas as pd
E ModuleNotFoundError: No module named 'pandas'
=========================== short test summary info ============================
ERROR tests/integration/test_agent_engine_app.py
!!!!!!!!!!!!!!!!!!!! Interrupted: 1 error during collection !!!!!!!!!!!!!!!!!!!!
============================== 1 error in 10.90s ===============================
make: *** [Makefile:51: test] Error 2
Pandas should be needed only when using the evaluation extra.
Reacted by Andrew S
Activity
eliasecchig commentedon Oct 16, 2025
cc @sasha-gitg @yeesian
fix: Import pandas lazily in the Gen AI SDK `_gcs_utils` module.
fix: Import pandas lazily in the Gen AI SDK `_gcs_utils` module.