fixed bug: added default values to model attributes

rachpurisima_music/homepage/admin.py

@@ -18,7 +18,7 @@ class AlbumAdmin(admin.ModelAdmin):
     list_display = ('album_name', 'description',
                     'release_date', 'label', 'song_count')
     search_fields = ('album_name', 'description', 'label')
-    list_filter = ('album_name')
+    list_filter = ('album_name',)
 
 
 class SongAdmin(admin.ModelAdmin):
@@ -26,7 +26,7 @@ class SongAdmin(admin.ModelAdmin):
 
     list_display = ('song_title', 'song_length', 'lyrics', 'music_video')
     search_fields = ('song_title', 'lyrics')
-    list_filter = ('song_title')
+    list_filter = ('song_title',)
 
 
 # registering the model and the admin is what tells

rachpurisima_music/homepage/migrations/0002_auto_20230220_0853.py

+# Generated by Django 3.2 on 2023-02-20 08:53
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('homepage', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='album',
+            name='label',
+            field=models.TextField(default=''),
+        ),
+        migrations.AddField(
+            model_name='album',
+            name='song_count',
+            field=models.IntegerField(default=''),
+        ),
+        migrations.AddField(
+            model_name='artist',
+            name='bio',
+            field=models.CharField(default='', max_length=700),
+        ),
+        migrations.AddField(
+            model_name='artist',
+            name='birth_name',
+            field=models.TextField(default=''),
+        ),
+        migrations.AddField(
+            model_name='song',
+            name='lyrics',
+            field=models.TextField(default=''),
+        ),
+        migrations.AddField(
+            model_name='song',
+            name='music_video',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AlterField(
+            model_name='album',
+            name='album_name',
+            field=models.TextField(default=''),
+        ),
+        migrations.AlterField(
+            model_name='album',
+            name='artist',
+            field=models.TextField(default=''),
+        ),
+        migrations.AlterField(
+            model_name='album',
+            name='description',
+            field=models.TextField(default=''),
+        ),
+        migrations.AlterField(
+            model_name='album',
+            name='release_date',
+            field=models.DateField(default=''),
+        ),
+        migrations.AlterField(
+            model_name='artist',
+            name='artist_name',
+            field=models.TextField(default=''),
+        ),
+        migrations.AlterField(
+            model_name='artist',
+            name='monthly_listeners',
+            field=models.IntegerField(default=''),
+        ),
+        migrations.AlterField(
+            model_name='song',
+            name='album',
+            field=models.TextField(default=''),
+        ),
+        migrations.AlterField(
+            model_name='song',
+            name='artist',
+            field=models.TextField(default=''),
+        ),
+        migrations.AlterField(
+            model_name='song',
+            name='song_length',
+            field=models.IntegerField(default=''),
+        ),
+        migrations.AlterField(
+            model_name='song',
+            name='song_title',
+            field=models.TextField(default=''),
+        ),
+    ]

rachpurisima_music/homepage/models.py

@@ -4,25 +4,25 @@ from django.db import models
 
 
 class Artist(models.Model):
-    artist_name = models.TextField()
-    monthly_listeners = models.IntegerField()
-    birth_name = models.TextField()
-    bio = models.CharField(max_length=700)
+    artist_name = models.TextField(default="")
+    monthly_listeners = models.IntegerField(default="")
+    birth_name = models.TextField(default="")
+    bio = models.CharField(max_length=700, default="")
 
 
 class Album(models.Model):
-    album_name = models.TextField()
-    artist = models.TextField()
-    description = models.TextField()
-    release_date = models.DateField()
-    label = models.TextField()
-    song_count = models.IntegerField()
+    album_name = models.TextField(default="")
+    artist = models.TextField(default="")
+    description = models.TextField(default="")
+    release_date = models.DateField(default="")
+    label = models.TextField(default="")
+    song_count = models.IntegerField(default="")
 
 
 class Song(models.Model):
-    song_title = models.TextField()
-    artist = models.TextField()
-    album = models.TextField()
-    song_length = models.IntegerField()
+    song_title = models.TextField(default="")
+    artist = models.TextField(default="")
+    album = models.TextField(default="")
+    song_length = models.IntegerField(default="")
     music_video = models.BooleanField(default=False)
-    lyrics = models.TextField()
+    lyrics = models.TextField(default="")