my prefect server setup
prefect-metrics.waow.tech
python
orchestration
fix enrich: lazy-import prefect_dbt to bypass mashumaro/py3.14 compat issue
dbt-common -> mashumaro fails at import time on Python 3.14 due to
UnserializableField in JSONObjectSchema. Moving imports inside the flow
function defers the issue until runtime and unblocks CI deployment registration.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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flows/enrich.py
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flows/enrich.py
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import subprocess
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from datetime import timedelta
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from pathlib import Path
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from prefect import flow, get_run_logger
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from prefect_dbt.core._orchestrator import (
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CacheConfig,
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ExecutionMode,
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PrefectDbtOrchestrator,
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TestStrategy,
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)
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from prefect_dbt.core.settings import PrefectDbtSettings
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ANALYTICS_DIR = Path(__file__).parent.parent / "analytics"
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@flow(name="enrich", log_prints=True)
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def enrich():
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# lazy imports: dbt-common -> mashumaro has Python 3.14 compat issues at
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# module load time; importing inside the function defers until flow runs
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from datetime import timedelta
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from prefect_dbt.core._orchestrator import (
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CacheConfig,
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ExecutionMode,
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PrefectDbtOrchestrator,
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TestStrategy,
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)
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from prefect_dbt.core.settings import PrefectDbtSettings
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logger = get_run_logger()
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# compile manifest.json so PrefectDbtOrchestrator can parse the project