old_contents: from __future__ import unicode_literals
  from .manager import Manager
  from .filesmanager import FilesManager
  
  
  class Xero(object):
  
      def __init__(self, credentials):
          """An ORM-like interface to the Xero API"""
  
      OBJECT_LIST = (
        "Attachments",
        "Accounts",
        "BankTransactions",
        "BankTransfers",
        "BrandingThemes",
        "Contacts",
        "CreditNotes",
        "Currencies",
        "Employees",
        "ExpenseClaims",
        "Invoices",
        "Items",
        "Journals",
        "ManualJournals",
        "Organisation",
        "Payments",
        "Receipts",
        "RepeatingInvoices",
        "Reports",
        "TaxRates",
        "TrackingCategories",
        "Users",
      )
  
      def __init__(self, credentials):
          # Iterate through the list of objects we support, for
          # each of them create an attribute on our self that is
          # the lowercase name of the object and attach it to an
          # instance of a Manager object to operate on it
          for name in self.OBJECT_LIST:
              setattr(self, name.lower(), Manager(name, credentials))
          
          setattr(self, "files", Files(credentials))
          
  
  class Files(object):
      """An ORM-like interface to the Xero Files API"""
  
      OBJECT_LIST = (
        "Associations",
        "Files",
        "Folders",
        "Inbox",
      )
  
      def __init__(self, credentials):
          # Iterate through the list of objects we support, for
          # each of them create an attribute on our self that is
          # the lowercase name of the object and attach it to an
          # instance of a Manager object to operate on it
          for name in self.OBJECT_LIST:
              setattr(self, name.lower(), FilesManager(name, credentials))
  
new_contents: from __future__ import unicode_literals
  from .manager import Manager
  from .filesmanager import FilesManager
  
  
  class Xero(object):
  
      def __init__(self, credentials):
          """An ORM-like interface to the Xero API"""
  
      OBJECT_LIST = (
        "Attachments",
        "Accounts",
        "BankTransactions",
        "BankTransfers",
        "BrandingThemes",
        "Contacts",
        "CreditNotes",
        "Currencies",
        "Employees",
        "ExpenseClaims",
        "Invoices",
        "Items",
        "Journals",
        "ManualJournals",
        "Organisation",
        "Payments",
        "Receipts",
        "RepeatingInvoices",
        "Reports",
        "TaxRates",
        "TrackingCategories",
        "Users",
      )
  
      def __init__(self, credentials):
          # Iterate through the list of objects we support, for
          # each of them create an attribute on our self that is
          # the lowercase name of the object and attach it to an
          # instance of a Manager object to operate on it
          for name in self.OBJECT_LIST:
              setattr(self, name.lower(), Manager(name, credentials))
          
          setattr(self, "filesAPI", Files(credentials))
          
  
  class Files(object):
      """An ORM-like interface to the Xero Files API"""
  
      OBJECT_LIST = (
        "Associations",
        "Files",
        "Folders",
        "Inbox",
      )
  
      def __init__(self, credentials):
          # Iterate through the list of objects we support, for
          # each of them create an attribute on our self that is
          # the lowercase name of the object and attach it to an
          # instance of a Manager object to operate on it
          for name in self.OBJECT_LIST:
              setattr(self, name.lower(), FilesManager(name, credentials))
  
subject: Change the name of files object to filesAPI for xero.filesAPI.files etc