old_contents: from __future__ import absolute_import
  from .salesforce_bulk import SalesforceBulk, BulkApiError
  from .csv_adapter import CsvDictsAdapter
  
  __version__ = '1.1.0'
  
new_contents: from __future__ import absolute_import
  from .salesforce_bulk import SalesforceBulk, BulkApiError
  from .csv_adapter import CsvDictsAdapter
  
  __version__ = '2.0.0dev1'
  
subject: Bump version