I have the following model:
class my_model(models.Model):
    item_id = models.IntegerField(max_length=100)
    item_array = ArrayField(models.FloatField())
When I try:
df = pd.read_pickle('df.pkl')
db = my_model()
for item in df.columns:
    db.item_id = item
    db.item_array = df[item]
db.save()
I get the following error:
ImproperlyConfigured: Requested setting INSTALLED_APPS, 
but settings are not configured. You must either define the 
environment variable DJANGO_SETTINGS_MODULE or call 
settings.configure() before accessing settings.
What could I do to fix this?