work around issue #105 for now by hard coded english default

www/maposmatic/migrations/0030_map_language_default_engish.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.2.12 on 2023-01-16 15:36
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('maposmatic', '0029_add_logos'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='maprenderingjob',
+            name='map_language',
+            field=models.CharField(default='en_US.UTF-8', max_length=16),
+        ),
+    ]

www/maposmatic/migrations/0031_allow_NULL_mal_language.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.2.12 on 2023-01-16 15:40
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('maposmatic', '0030_map_language_default_engish'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='maprenderingjob',
+            name='map_language',
+            field=models.CharField(blank=True, default='en_US.UTF-8', max_length=16, null=True),
+        ),
+    ]

www/maposmatic/models.py

@@ -112,7 +112,7 @@ class MapRenderingJob(models.Model):
     submitterip = models.GenericIPAddressField(null=True,blank=True)
     submittermail = models.EmailField(null=True,blank=True)
     index_queue_at_submission = models.IntegerField()
-    map_language = models.CharField(max_length=16)
+    map_language = models.CharField(max_length=16, null=True, blank=True, default='en_US.UTF-8')
 
     renderstep = models.CharField(max_length=80,null=True,blank=True)
 

www/maposmatic/templates/maposmatic/new.html

@@ -423,10 +423,10 @@ $('#error-modal').modal('show')
           <fieldset>
             <legend>{% trans "Locale" %}</legend>
 	    <div class="dropdown">
-	      <button id="map_language_button" type="button" class="btn dropdown-toggle" data-bs-toggle="dropdown" aria-expand="false">
-		{{ form.map_language.value }}
+  	      <button id="map_language_button" type="button" class="btn dropdown-toggle" data-bs-toggle="dropdown" aria-expand="false">en_US.UTF-8</button>
+		      <!-- {{ form.map_language.value }} -->
 	      </button>
-	      <input type="hidden" name="{{ form.map_language.name }}" id="{{ form.map_language.name }}"/>
+	      <input type="hidden" name="{{ form.map_language.name }}" id="{{ form.map_language.name }}" value="en_US.UTF-8"/>
 	      <ul id="maplang_choices" class="dropdown-menu bg-light" style="height: 400px; overflow-y: auto;" area-labeledby="map_language_button">
 		{% for choice in form.map_language.field.choices %}
 		<li><a class="dropdown-item" href="#" data-langcode="{{choice.0}}" onclick="$('#map_language_button').html($(this).html()); $('#{{ form.map_language.name }}').val('{{choice.0}}');">{{choice.1}} ({{choice.0|locale_base}})</a></li>