old_contents: import os
  
  from invoke import run
  
  
  class BaseTest(object):
      def download_mspec(self):
          if not os.path.isdir("../mspec"):
              run("cd .. && git clone --depth=100 --quiet https://github.com/rubyspec/mspec")
              run("cd ../mespec && git checkout v1.6.0")
  
      def download_rubyspec(self):
          if not os.path.isdir("../rubyspec"):
              run("cd .. && git clone --depth=100  --quiet https://github.com/rubyspec/rubyspec")
              run("cd ../rubyspec && git checkout v1.x")
  
new_contents: import os
  
  from invoke import run
  
  
  class BaseTest(object):
      def download_mspec(self):
          if not os.path.isdir("../mspec"):
              run("cd .. && git clone --depth=100 --quiet https://github.com/rubyspec/mspec")
              run("cd ../mspec && git checkout v1.6.0")
  
      def download_rubyspec(self):
          if not os.path.isdir("../rubyspec"):
              run("cd .. && git clone --depth=100  --quiet https://github.com/rubyspec/rubyspec")
              run("cd ../rubyspec && git checkout v1.x")
  
subject: Fix typo in task/base.py