Django 3.2 AttributeError: 'TextField' object has no attribute 'db_collation'

[Asaduzzaman Sohel]

I've an existing project on Django 3.1 and I upgraded my project to Django 3.2. I created an app called payment on my project. But When I make migrations. It trow an error 

```AttributeError: 'TextField' object has no attribute 'db_collation'```

```

from django.db import models

from django.conf import settings

from django.utils.translation import gettext_lazy as _

# Create your models here.

from simple_history.models import HistoricalRecords

class TransactionType(models.TextChoices):

    CASH_IN = 'IN', _('Cash In')

    CASH_OUT = 'OUT', _('Cash Out')

class TransactionMethod(models.TextChoices):

    STUDENT_TR = 'STT', _('Student Transaction')

    BANK_TR = 'BKT', _('Bank Transaction')

    SCHOOL_TR = 'SLT', _('School Transaction')

    Teacher_TR = 'TRT', _('Teacher Transaction')

    DONATE_TR = 'DET', _('Donate Transaction')

class Payment(models.Model):

    id = models.AutoField(primary_key=True)

    created_by = models.ForeignKey(settings.AUTH_USER_MODEL,

                                   on_delete=models.PROTECT,

                                   related_name="created_by")

    updated_by = models.ForeignKey(settings.AUTH_USER_MODEL,

                                   on_delete=models.PROTECT,

                                   related_name="updated_by")

    transaction_amount = models.FloatField("Transaction amount")

    transaction_type = models.CharField(max_length=3, choices=TransactionType.choices, default=TransactionType.CASH_IN,)

    transaction_method = models.CharField(max_length=3, choices=TransactionMethod.choices, default=TransactionMethod.STUDENT_TR,)

    transaction_note = models.CharField(null=True, blank=True, max_length=200)

    is_approved = models.BooleanField(default=False)

    is_approved_by_user = models.ForeignKey(settings.AUTH_USER_MODEL,

                                            on_delete=models.PROTECT,

                                            related_name="approved_by",

                                            null=True,

                                            blank=True)

    created_at = models.DateTimeField(auto_now=True, blank=True, null=True)

    updated_at = models.DateTimeField(auto_now_add=True, blank=True, null=True)

    history = HistoricalRecords()

```

Full error message 

```Traceback (most recent call last):

  File "manage.py", line 22, in <module>

    main()

  File "manage.py", line 18, in main

    execute_from_command_line(sys.argv)

  File "/home/asad/PycharmProjects/amarschool/venv/lib/python3.6/site-packages/django/core/management/__init__.py", line 419, in execute_from_command_line

    utility.execute()

  File "/home/asad/PycharmProjects/amarschool/venv/lib/python3.6/site-packages/django/core/management/__init__.py", line 413, in execute

    self.fetch_command(subcommand).run_from_argv(self.argv)

  File "/home/asad/PycharmProjects/amarschool/venv/lib/python3.6/site-packages/django/core/management/base.py", line 354, in run_from_argv

    self.execute(*args, **cmd_options)

  File "/home/asad/PycharmProjects/amarschool/venv/lib/python3.6/site-packages/django/core/management/base.py", line 398, in execute

    output = self.handle(*args, **options)

  File "/home/asad/PycharmProjects/amarschool/venv/lib/python3.6/site-packages/django/core/management/base.py", line 89, in wrapped

    res = handle_func(*args, **kwargs)

  File "/home/asad/PycharmProjects/amarschool/venv/lib/python3.6/site-packages/django/core/management/commands/makemigrations.py", line 150, in handle

    ProjectState.from_apps(apps),

  File "/home/asad/PycharmProjects/amarschool/venv/lib/python3.6/site-packages/django/db/migrations/state.py", line 220, in from_apps

    model_state = ModelState.from_model(model)

  File "/home/asad/PycharmProjects/amarschool/venv/lib/python3.6/site-packages/django/db/migrations/state.py", line 407, in from_model

    fields.append((name, field.clone()))

  File "/home/asad/PycharmProjects/amarschool/venv/lib/python3.6/site-packages/django/db/models/fields/__init__.py", line 512, in clone

    name, path, args, kwargs = self.deconstruct()

  File "/home/asad/PycharmProjects/amarschool/venv/lib/python3.6/site-packages/django/db/models/fields/__init__.py", line 2173, in deconstruct

    if self.db_collation:

AttributeError: 'TextField' object has no attribute 'db_collation'

```

stackoverflowlink: https://stackoverflow.com/questions/66981658/django-3-2-attributeerror-textfield-object-has-no-attribute-db-collation