old_contents: class ExportEvents:
      """The different csv events types."""
  
      EXPORT_PENDING = "export_pending"
      EXPORT_SUCCESS = "export_success"
      EXPORT_FAILED = "export_failed"
      EXPORT_DELETED = "export_deleted"
      EXPORTED_FILE_SENT = "exported_file_sent"
      EXPORT_FAILED_INFO_SENT = "Export_failed_info_sent"
  
      CHOICES = [
          (EXPORT_PENDING, "Data export was started."),
          (EXPORT_SUCCESS, "Data export was completed successfully."),
          (EXPORT_FAILED, "Data export failed."),
          (EXPORT_DELETED, "Export file was started."),
          (
              EXPORTED_FILE_SENT,
              "Email with link to download file was sent to the customer.",
          ),
          (
              EXPORT_FAILED_INFO_SENT,
              "Email with info that export failed was sent to the customer.",
          ),
      ]
  
  
  class FileTypes:
      CSV = "csv"
      XLSX = "xlsx"
  
      CHOICES = [
          (CSV, "Plain CSV file."),
          (XLSX, "Excel XLSX file."),
      ]
  
new_contents: class ExportEvents:
      """The different csv events types."""
  
      EXPORT_PENDING = "export_pending"
      EXPORT_SUCCESS = "export_success"
      EXPORT_FAILED = "export_failed"
      EXPORT_DELETED = "export_deleted"
      EXPORTED_FILE_SENT = "exported_file_sent"
      EXPORT_FAILED_INFO_SENT = "Export_failed_info_sent"
  
      CHOICES = [
          (EXPORT_PENDING, "Data export was started."),
          (EXPORT_SUCCESS, "Data export was completed successfully."),
          (EXPORT_FAILED, "Data export failed."),
          (EXPORT_DELETED, "Export file was deleted."),
          (
              EXPORTED_FILE_SENT,
              "Email with link to download file was sent to the customer.",
          ),
          (
              EXPORT_FAILED_INFO_SENT,
              "Email with info that export failed was sent to the customer.",
          ),
      ]
  
  
  class FileTypes:
      CSV = "csv"
      XLSX = "xlsx"
  
      CHOICES = [
          (CSV, "Plain CSV file."),
          (XLSX, "Excel XLSX file."),
      ]
  
subject: Fix typo in ExportEvents