From be37c33b188bee9028fa7fc41d5913a4144f3c5f Mon Sep 17 00:00:00 2001
From: Felix Delattre <felix@delattre.de>
Date: Thu, 11 Jun 2026 12:33:22 +0200
Subject: [PATCH] Suppress empty 3x3 warning.

---
 5-metrics.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/5-metrics.py b/5-metrics.py
index 2f26fdc..c049850 100644
--- a/5-metrics.py
+++ b/5-metrics.py
@@ -101,7 +101,8 @@ def _read_center_pixel(path: Path, lat: float, lon: float) -> float | None:
         if nodata is not None:
             data = np.where(data == nodata, np.nan, data)
         data[data == 0] = np.nan
-        val = np.nanmean(data)
+        with np.errstate(all="ignore"):
+            val = np.nanmean(data)
         return None if np.isnan(val) else float(val)
     except Exception:
         return None
@@ -310,7 +311,8 @@ def _read_multiband_center(
                 if nodata is not None:
                     data = np.where(data == nodata, np.nan, data)
                 data[data == 0] = np.nan
-                val = np.nanmean(data)
+                with np.errstate(all="ignore"):
+                    val = np.nanmean(data)
                 result[name] = None if np.isnan(val) else round(float(val), 6)
         return result
     except Exception: