old_contents: from fabric.api import *
  import fabric.contrib.project as project
  
  def bump(part='minor'):
      local('env/bin/bumpversion ' + part)
  
new_contents: from fabric.api import *
  import fabric.contrib.project as project
  
  def bump(part='minor'):
      local('env/bin/bumpversion ' + part)
  
  def test():
      local('env/bin/nosetests --exe')
  
subject: Add test target to fabfile