Fix: no attribute error

accounts/models.py

@@ -54,6 +54,15 @@ class CustomUserManager(UserManager):
             ).distinct()  # distinct() is often necessary with Q lookups
         return queryset
 
+    def get_student_count(self):
+        return self.model.objects.filter(is_student=True).count()
+
+    def get_lecturer_count(self):
+        return self.model.objects.filter(is_lecturer=True).count()
+
+    def get_superuser_count(self):
+        return self.model.objects.filter(is_superuser=True).count()
+
 
 GENDERS = (("M", "Male"), ("F", "Female"))
 
@@ -85,18 +94,6 @@ class User(AbstractUser):
             full_name = self.first_name + " " + self.last_name
         return full_name
 
-    @classmethod
-    def get_student_count(cls):
-        return cls.objects.filter(is_student=True).count()
-
-    @classmethod
-    def get_lecturer_count(cls):
-        return cls.objects.filter(is_lecturer=True).count()
-
-    @classmethod
-    def get_superuser_count(cls):
-        return cls.objects.filter(is_superuser=True).count()
-
     def __str__(self):
         return "{} ({})".format(self.username, self.get_full_name)
 
@@ -212,4 +209,4 @@ class DepartmentHead(models.Model):
         ordering = ("-user__date_joined",)
 
     def __str__(self):
-        return "{}".format(self.user)
+        return "{}".format(self.user)