Use FileField instead of ImageField for pictogram to allow SVG

umap/migrations/0015_alter_pictogram_pictogram.py

@@ -0,0 +1,17 @@
+# Generated by Django 4.2.2 on 2023-10-30 11:27
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("umap", "0014_map_created_at"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="pictogram",
+            name="pictogram",
+            field=models.FileField(upload_to="pictogram"),
+        ),
+    ]

umap/models.py

@@ -284,7 +284,7 @@ class Pictogram(NamedModel):
     """
 
     attribution = models.CharField(max_length=300)
-    pictogram = models.ImageField(upload_to="pictogram")
+    pictogram = models.FileField(upload_to="pictogram")
 
     @property
     def json(self):