old_contents: import sys
  from spark_parser.version import VERSION
  
  __version__ = 'SPARK-%s Python2 and Python3 compatible' % VERSION
  __docformat__ = 'restructuredtext'
  
  PYTHON3 = (sys.version_info >= (3, 0))
  
  from spark_parser.ast import AST as AST
  from spark_parser.ast import GenericASTTraversal as GenericASTTraversal
  from spark_parser.ast import GenericASTTraversalPruningException as GenericASTTraversalPruningException
  from spark_parser.spark import DEFAULT_DEBUG
  from spark_parser.spark import GenericParser as GenericParser
  from spark_parser.spark import GenericASTBuilder as GenericASTBuilder
  from spark_parser.scanner import GenericScanner as GenericScanner
  from spark_parser.scanner import GenericToken as GenericToken
  
new_contents: import sys
  from spark_parser.version import VERSION
  
  __version__ = 'SPARK-%s Python2 and Python3 compatible' % VERSION
  __docformat__ = 'restructuredtext'
  
  PYTHON3 = (sys.version_info >= (3, 0))
  
  from spark_parser.ast import AST as AST
  from spark_parser.ast import GenericASTTraversal as GenericASTTraversal
  from spark_parser.ast import GenericASTTraversalPruningException as GenericASTTraversalPruningException
  from spark_parser.spark import DEFAULT_DEBUG, rule2str
  from spark_parser.spark import GenericParser as GenericParser
  from spark_parser.spark import GenericASTBuilder as GenericASTBuilder
  from spark_parser.scanner import GenericScanner as GenericScanner
  from spark_parser.scanner import GenericToken as GenericToken
  
subject: Add export for rule2str