domrf_kn_flats.status is NULL in ~99.8% of rows, so WHERE status='sold' always returned 0 rows and avg_price_per_m2 was always None. Drop the filter; AVG over all rows with price_per_m2 IS NOT NULL is semantically correct for a complex-level price estimate. Adds regression test test_competitors_avg_price_populated (Issue #227). |
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| __init__.py | ||