🐛 fix advent_image.py

- `get_average_color` working again
- refactor `hide_text` (fail-fast)

api/advent22_api/core/advent_image.py

@@ -1,4 +1,5 @@
 import colorsys
+import logging
 from dataclasses import dataclass
 from typing import Self, TypeAlias, cast
 
@@ -14,6 +15,8 @@ _RGB: TypeAlias = tuple[int, int, int]
 _XY: TypeAlias = tuple[float, float]
 _Box: TypeAlias = tuple[int, int, int, int]
 
+_logger = logging.getLogger(__name__)
+
 
 @dataclass(slots=True, frozen=True)
 class AdventImage:
@@ -83,15 +86,14 @@ class AdventImage:
     async def get_average_color(
         self,
         box: _Box,
-    ) -> tuple[int, int, int]:
+    ) -> _RGB:
         """
         Durchschnittsfarbe eines rechteckigen Ausschnitts in
         einem Bild berechnen
         """
 
         pixel_data = np.asarray(self.img.crop(box))
-        print(pixel_data)
-        mean_color: np.ndarray = np.mean(pixel_data, axis=0)
+        mean_color: np.ndarray = np.mean(pixel_data, axis=(0, 1))
 
         return cast(_RGB, tuple(mean_color.astype(int)))
 
@@ -113,7 +115,10 @@ class AdventImage:
             xy=xy, text=text, font=font, anchor=anchor, **text_kwargs
         )
 
-        if text_box is not None:
+        if text_box is None:
+            _logger.warning("Konnte Bildbereich nicht finden!")
+            return
+
         # Durchschnittsfarbe bestimmen
         text_color = await self.get_average_color(
             box=text_box,