font NA fix

app.py

@@ -114,22 +114,23 @@ def calculate_pixel_per_metric(image, known_diameter_of_coin=25):
             return width, height
 
         # Inside your `plot_bbox` function, after drawing the bounding box:
+        font = ImageFont.truetype("arial.ttf", 28)
         for bbox, label in zip(data['bboxes'], data['labels']):
             x1, y1, x2, y2 = bbox
             draw.rectangle([x1, y1, x2, y2], outline="red", width=2)
-            draw.text((x1, y1), label, fill="red", font=ImageFont.truetype("arial.ttf", 28))
+            draw.text((x1, y1), label, fill="red", font=font)
 
         # Calculate dimensions
         width, height = calculate_bbox_dimensions(bbox)
         print(f"Label: {label}, Width: {width}, Height: {height}")
         dimension_text = f"W: {width}, H: {height}"
-        draw.text((x1, y1 + 20), dimension_text, fill="red", font=ImageFont.truetype("arial.ttf", 28))
+        draw.text((x1, y1 + 20), dimension_text, fill="red", font=font)
 
         real_world_dimension_mm = 160
         largest_dimension = max(width, height)
         pixels_per_mm = largest_dimension / real_world_dimension_mm
         ratio_text = f"Pixels/mm: {pixels_per_mm:.2f}"
-        draw.text((x1, y1 + 40), ratio_text, fill="red", font=ImageFont.truetype("arial.ttf", 28))
+        draw.text((x1, y1 + 40), ratio_text, fill="red", font=font)
 
         # buf = BytesIO()
         # image_with_bboxes.save(buf, format='PNG')