Fixed errors in models.py in homepage regarding the maxlength in CharField.

elaizabolislis_music/homepage/models.py

@@ -2,20 +2,25 @@ from django.db import models
 
 
 class Artist(models.Model):
-    artist_name = models.CharField()
+    artist_name = models.CharField(max_length=200)
     monthly_listeners = models.IntegerField()
 
 
 class Album(models.Model):
-    album_name = models.CharField()
-    artist = models.ForeignKey(Artist, on_delete=models.CASCADE)
-    description = models.CharField()
-    release_date = models.CharField()
+    album_name = models.CharField(max_length=200)
+    artist = models.ForeignKey(Artist, 
+                               on_delete=models.CASCADE,
+                               related_name='album' 
+    )
+    description = models.CharField(max_length=200)
+    release_date = models.DateField()
 
 
 class Song(models.Model):
-    song_title = models.CharField()
-    artist = models.ForeignKey(Artist, on_delete=models.CASCADE)
+    song_title = models.CharField(max_length=200)
+    artist = models.ForeignKey(Artist, 
+                               on_delete=models.CASCADE,
+                               related_name='song'
+    )
     album = artist = models.ForeignKey(Album, on_delete=models.CASCADE)
     song_length = models.IntegerField()
\ No newline at end of file
-