code: def group_layout(path, files, **kwargs):
      
      if len(files) > 0:
          two_column_layout(path, list(grouper(files, 2)), **kwargs)
docs: Make a well layout in chunks of two from a list of files
  
      path: str
          Location to make the well html file
      files: list of pycbc.workflow.core.Files
          This list of images to show in order within the well layout html file.
          Every two are placed on the same row.