From c0cd1fb645d612d7bf92b7ff7e600bba3a0e0b5b Mon Sep 17 00:00:00 2001
From: thePR0M3TH3AN <53631862+PR0M3TH3AN@users.noreply.github.com>
Date: Sat, 31 May 2025 20:13:58 -0400
Subject: [PATCH] Fix null handling in bitcoin_m2_chart

---
 scripts/bitcoin_m2_chart.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/scripts/bitcoin_m2_chart.py b/scripts/bitcoin_m2_chart.py
index a5bb8c0..d667811 100644
--- a/scripts/bitcoin_m2_chart.py
+++ b/scripts/bitcoin_m2_chart.py
@@ -161,6 +161,12 @@ def main(argv: list[str] | None = None) -> plt.Figure:
         raise SystemExit(1)
 
     btc, m2 = fetch_series(start_dt, end_dt, args.btc_series, args.m2_series, args.db)
+
+    # ─── Drop any rows where the FRED tables had NULLs in "value" ──────────────────
+    btc = btc.dropna(subset=["value"])
+    m2 = m2.dropna(subset=["value"])
+    # ────────────────────────────────────────────────────────────────────────────────
+
     validate_series(btc, m2, args.btc_series, args.m2_series)
     fig = plot_bitcoin_m2(
         btc,