NameError:

[tech george]

Hello,

I've been struggling with the below error, what might be the problem?

I have used the same ForeignKey in other models.. all works ok, except this.

Please advise.

Models:

class CustomUser(AbstractUser):
    user_type_data = ((1, "AdminHOD"), (2, "Pharmacist"), (3, "Doctor"), (4, "PharmacyClerk"),(5, "Patients"))
    user_type = models.CharField(default=1, choices=user_type_data, max_length=10)



class Patients(models.Model):
    gender_category=(
        ('Male','Male'),
        ('Female','Female'),
    )

    nurse = models.ForeignKey(Pharmacist, related_name='Pharmacist', on_delete=models.CASCADE, null=True)
    admin = models.OneToOneField(CustomUser,null=True, on_delete = models.CASCADE)
    reg_no=models.CharField(max_length=30,null=True,blank=True,unique=True)
    gender=models.CharField(max_length=7,null=True,blank=True,choices=gender_category)
    first_name=models.CharField(max_length=20,null=True,blank=True)
    last_name=models.CharField(max_length=20,null=True,blank=True)
    date_admitted=models.DateTimeField(auto_now_add=True, auto_now=False)
    last_updated = models.DateTimeField(auto_now_add=False, auto_now=True)

    def __str__(self):
        return str(self.admin)

Error:

nurse = models.ForeignKey(Pharmacist, related_name='Pharmacist', on_delete=models.CASCADE, null=True)
NameError: name 'Pharmacist' is not defined

Regards,

[Antonis Christofides]

Hi! In the line where the error occurs, Pharmacist has not been defined yet. Move your Pharmacist model before your Patients model.

Regards,

Antonis

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[tech george]

Hello Antonis,

Thanks, it worked.

Much appreciated.

Regards,

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