text: import yaml
  import os
  import subprocess
  import sys
  
  
  with open('packages.yml') as package_file:
      packages = yaml.load(package_file)
  os.system('rm -rf tmp')
  os.system('mkdir tmp')
  for package in packages:
      #print(package)
      subpackages = packages[package].split()
      for subpackage in subpackages:
          pkgstr = "git clone git@github.com:pysal/{subpackage}.git tmp/{subpackage}".format(subpackage=subpackage)
          print(pkgstr)
          os.system(pkgstr)
  