old_contents: import csv
  from datetime import datetime
  
  from django.core.management.base import BaseCommand, CommandError
  from django.core.mail import EmailMessage
  
  from django.conf import settings
  
  from custom.enikshay.const import ENROLLED_IN_PRIVATE
  
  
  class BaseModelReconciliationCommand(BaseCommand):
      email_subject = None
      result_file_name_prefix = None
      result_file_headers = None
  
      def __init__(self, *args, **kwargs):
          super(BaseModelReconciliationCommand, self).__init__(*args, **kwargs)
          self.commit = False
          self.recipient = None
          self.result_file_name = None
  
      def add_arguments(self, parser):
          parser.add_argument('--commit', action='store_true')
          parser.add_argument('--recipient', type=str)
  
      def handle(self, *args, **options):
          raise CommandError(
              "This is the base reconciliation class and should not be run. "
              "One of it's inherited commands should be run.")
  
      def public_app_case(self, person_case):
          if person_case.get_case_property(ENROLLED_IN_PRIVATE) == 'true':
              return False
          return True
  
      def email_report(self):
          csv_file = open(self.result_file_name)
          email = EmailMessage(
              subject=self.email_subject,
              body="Please find attached report for a %s run finished at %s." %
                   ('real' if self.commit else 'mock', datetime.now()),
              to=self.recipient,
              from_email=settings.DEFAULT_FROM_EMAIL
          )
          email.attach(filename=self.result_file_name, content=csv_file.read())
          csv_file.close()
          email.send()
  
      def setup_result_file(self):
          file_name = "{file_name_prefix}_{timestamp}.csv".format(
              file_name_prefix=self.result_file_name_prefix,
              timestamp=datetime.now().strftime("%Y-%m-%d-%H-%M-%S"),
          )
          with open(file_name, 'w') as csvfile:
              writer = csv.DictWriter(csvfile, fieldnames=self.result_file_headers)
              writer.writeheader()
          return file_name
  
      def writerow(self, row):
          with open(self.result_file_name, 'a') as csvfile:
              writer = csv.DictWriter(csvfile, fieldnames=self.result_file_headers)
              writer.writerow(row)
  
new_contents: import csv
  from datetime import datetime
  
  from django.core.management.base import BaseCommand, CommandError
  from django.core.mail import EmailMessage
  
  from django.conf import settings
  
  from custom.enikshay.const import ENROLLED_IN_PRIVATE
  
  
  class BaseModelReconciliationCommand(BaseCommand):
      email_subject = None
      result_file_name_prefix = None
      result_file_headers = None
  
      def __init__(self, *args, **kwargs):
          super(BaseModelReconciliationCommand, self).__init__(*args, **kwargs)
          self.commit = False
          self.recipient = None
          self.result_file_name = None
  
      def add_arguments(self, parser):
          parser.add_argument('--commit', action='store_true')
          parser.add_argument('--recipient', type=str)
  
      def handle(self, *args, **options):
          raise CommandError(
              "This is the base reconciliation class and should not be run. "
              "One of it's inherited commands should be run.")
  
      def public_app_case(self, person_case):
          return person_case.get_case_property(ENROLLED_IN_PRIVATE) != 'true'
  
      def email_report(self):
          csv_file = open(self.result_file_name)
          email = EmailMessage(
              subject=self.email_subject,
              body="Please find attached report for a %s run finished at %s." %
                   ('real' if self.commit else 'mock', datetime.now()),
              to=self.recipient,
              from_email=settings.DEFAULT_FROM_EMAIL
          )
          email.attach(filename=self.result_file_name, content=csv_file.read())
          csv_file.close()
          email.send()
  
      def setup_result_file(self):
          file_name = "{file_name_prefix}_{timestamp}.csv".format(
              file_name_prefix=self.result_file_name_prefix,
              timestamp=datetime.now().strftime("%Y-%m-%d-%H-%M-%S"),
          )
          with open(file_name, 'w') as csvfile:
              writer = csv.DictWriter(csvfile, fieldnames=self.result_file_headers)
              writer.writeheader()
          return file_name
  
      def writerow(self, row):
          with open(self.result_file_name, 'a') as csvfile:
              writer = csv.DictWriter(csvfile, fieldnames=self.result_file_headers)
              writer.writerow(row)
  
subject: remove redundant if [skip ci]