class Project(models.Model):

    name            = models.CharField(max_length=255, null=False)

    user            = models.CharField(max_length=255, null=True)

    notes           = models.TextField(null=True)

class ProjectForm(ModelForm):

class Meta:

    model       = Project

    fields      = ["name", "user", "notes"]

from django.db import models

from django.contrib.auth import get_user_model

User = get_user_model()

class Project(models.Model):

    name = models.CharField(max_length=255, null=False)

    user = models.ForeignKey(User, on_delete=models.CASCADE)

    notes = models.TextField(null=True)

from django import forms

from .models import Project, User

class ProjectForm(forms.ModelForm):

    user = forms.ModelChoiceField(queryset=User.objects.all(), empty_label="Select a user")

    class Meta:

        model = Project

        fields = ['name', 'user', 'notes']