7     """Sets up a JetFitterSequentialVertexFitter tool and returns it. 
    9     input:             name: The name of the tool (should be unique). 
   10       useBTagFlagsDefaults : Whether to use BTaggingFlags defaults for options that are not specified. 
   11                              Note however that this tool has no BTaggingFlags defaults; the option is 
   12                              here only for consistency. 
   13                   **options: Python dictionary with options for the tool. 
   14     output: The actual tool, which can then by added to ToolSvc via ToolSvc += output.""" 
   16     if useBTagFlagsDefaults:
 
   17         from TrkConfig.TrkVertexFitterUtilsConfig 
import AtlasFullLinearizedTrackFactoryCfg
 
   20         from TrkConfig.TrkVertexFittersConfig 
import SequentialVertexSmootherCfg
 
   23         defaults = { 
'LinearizedTrackFactory' : jetFitterFullLinearizedTrackFactory,
 
   24                      'VertexSmoother'         : jetFitterSequentialVertexSmoother, }
 
   25         for option 
in defaults:
 
   26             options.setdefault(option, defaults[option])
 
   28     options[
'name'] = name
 
   29     acc.setPrivateTools(CompFactory.Trk.SequentialVertexFitter(**options))