old_contents: # -*- encoding: ascii -*-
  """
  Compile tasks
  ~~~~~~~~~~~~~
  
  """
  
  import invoke as _invoke
  
  
  @_invoke.task(default=True)
  def compile(ctx):  # pylint: disable = redefined-builtin
      """ Compile the package """
      with ctx.shell.root_dir():
          ctx.run('pip install -e .')
  
new_contents: # -*- encoding: ascii -*-
  """
  Compile tasks
  ~~~~~~~~~~~~~
  
  """
  
  import os as _os
  
  import invoke as _invoke
  
  
  @_invoke.task(default=True)
  def compile(ctx):  # pylint: disable = redefined-builtin
      """ Compile the package """
      with ctx.shell.root_dir():
          ctx.run('pip install -e .',
                  env=dict(_os.environ, SETUP_CEXT_REQUIRED="1"))
  
subject: make sure dev compilation fails if C fails