New functionality

Clientes/migrations/0007_alter_timbres_serie.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.1.3 on 2022-12-01 13:58
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('Clientes', '0006_alter_clientes_fecha_baja'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='timbres',
+            name='serie',
+            field=models.CharField(blank=True, max_length=10),
+        ),
+    ]