text: """This file contains macros to be called during WORKSPACE evaluation.
  
  For historic reasons, pip_repositories() is defined in //python:pip.bzl.
  """
  
  def py_repositories():
      """Pull in dependencies needed to use the core Python rules."""
      # At the moment this is a placeholder hook, in that it does not actually
      # pull in any dependencies. Users should still call this function to make
      # it less likely that they need to update their WORKSPACE files, in case
      # this function is changed in the future.
      pass
  