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Summary

This PR removes unnecessary blank lines throughout the codebase to improve code style consistency and adhere to PEP 8 formatting standards.

Key Changes

  • Removed extra blank lines after import statements in 13 files across the codebase
  • Updated default year parameter from 2023 to 2024 in three ETL scripts:
    • etl_age.py: Updated year to 2024
    • etl_medicaid.py: Updated year to 2024
    • etl_snap.py: Updated year to 2024 in function signature and main()

Files Modified

  • policyengine_us_data/datasets/cps/cps.py
  • policyengine_us_data/datasets/cps/enhanced_cps.py
  • policyengine_us_data/datasets/puf/puf.py
  • policyengine_us_data/datasets/puf/uprate_puf.py
  • policyengine_us_data/db/create_database_tables.py
  • policyengine_us_data/db/etl_age.py
  • policyengine_us_data/db/etl_irs_soi.py
  • policyengine_us_data/db/etl_medicaid.py
  • policyengine_us_data/db/etl_snap.py
  • policyengine_us_data/db/validate_database.py
  • policyengine_us_data/storage/calibration_targets/pull_snap_targets.py
  • policyengine_us_data/tests/test_datasets/test_county_fips.py
  • policyengine_us_data/utils/census.py
  • policyengine_us_data/utils/huggingface.py
  • policyengine_us_data/utils/loss.py

Notes

These are primarily style improvements with the addition of updating year parameters to reflect the current data year (2024).

https://claude.ai/code/session_01GisHzYtJZQQyUfVdRmWV2t

The policy_data.db targets table was populated with historical data
(IRS SOI 2022, USDA SNAP FY2023) but never updated to match the 2024
simulation year. This caused state calibration aggregates to diverge
from the CBO/Treasury projections used by loss.py.

New reconciliation script (db/reconcile_targets.py):
- Reads authoritative 2024 targets from policyengine-us parameters
  using the same parameter paths as loss.py build_loss_matrix()
- Computes scale factors by comparing state-level DB aggregates
  to CBO/Treasury targets for income_tax, snap, eitc, and
  unemployment_compensation
- Proportionally scales all geographic levels (national, state,
  district) and updates the period column to 2024

Also includes:
- 4 new tests in test_reconcile_targets.py
- Makefile updated to run reconciliation after ETLs, before validation
- Black formatting fixes across the codebase

Closes PolicyEngine#503

https://claude.ai/code/session_01GisHzYtJZQQyUfVdRmWV2t
Extends the target mapping from 4 variables to 13, covering every
IRS SOI ETL variable that has a 2024 equivalent in the policyengine-us
calibration parameter tree:

- CBO income_by_source: adjusted_gross_income, taxable_social_security,
  taxable_pension_income, net_capital_gain
- IRS SOI: qualified_dividend_income, taxable_interest_income,
  tax_exempt_interest_income, partnership_s_corp_income (mapped from
  tax_unit_partnership_s_corp_income), dividend_income (sum of
  qualified + non_qualified)

Test updated to assert all 13 variables are present and positive.

https://claude.ai/code/session_01GisHzYtJZQQyUfVdRmWV2t
Variables like person_count appear in multiple ETL sources with different
meanings (census age, medicaid enrollment, IRS SOI returns). The previous
code filtered only by variable name, which would incorrectly mix targets
from different sources. Now each target is keyed by (variable, source_id)
and queries filter on both columns.

Also adds reconciliation for person_count from all three sources:
- source_id=1 (Census age) -> census.populations.total
- source_id=2 (Medicaid) -> sum of state medicaid enrollment params
- source_id=5 (IRS SOI) -> sum of returns by filing status

Closes PolicyEngine#503

https://claude.ai/code/session_01GisHzYtJZQQyUfVdRmWV2t
Instead of reconciling stale DB targets against policyengine-us parameters,
update the ETL scripts to pull 2024 data directly from their administrative
sources:

- etl_age.py: Census ACS 2023 -> 2024 (confirmed available)
- etl_medicaid.py: Medicaid.gov 2023 -> 2024 (confirmed available)
- etl_snap.py: USDA SNAP FY2023 -> FY2024 (confirmed available)
- etl_irs_soi.py: stays at 2022 (2023/2024 not yet published by IRS)

Removes reconcile_targets.py and its tests, which scaled DB targets
using policyengine-us parameters. The DB ETL should pull directly from
administrative sources rather than going through policyengine-us as
an intermediary.

Closes PolicyEngine#503

https://claude.ai/code/session_01GisHzYtJZQQyUfVdRmWV2t
IRS SOI congressional district data is only available through 2022
(23incd.csv not yet published). To bring these targets to the 2024
simulation year, scale them using CBO/Treasury projections -- the same
approach the enhanced CPS calibration (loss.py) uses.

Covers: income_tax, unemployment_compensation, eitc, AGI, taxable
social security, pensions, capital gains, dividends, interest,
partnership/S-corp income, and return counts (person_count).

Census age, Medicaid, and SNAP targets are unaffected -- those ETLs
already pull 2024 data directly from their administrative sources.

https://claude.ai/code/session_01GisHzYtJZQQyUfVdRmWV2t
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