old_contents: import re
  
  import six
  from spec import Spec, eq_
  
  import invoke
  import invoke.collection
  import invoke.exceptions
  import invoke.tasks
  
  
  class Init(Spec):
      "__init__"
      def dunder_version_info(self):
          assert hasattr(invoke, '__version_info__')
          ver = invoke.__version_info__
          assert isinstance(ver, tuple)
          assert all(isinstance(x, int) for x in ver)
  
      def dunder_version(self):
          assert hasattr(invoke, '__version__')
          ver = invoke.__version__
          assert isinstance(ver, six.string_types)
          assert re.match(r'\d+\.\d+\.\d+', ver)
  
      def dunder_version_looks_generated_from_dunder_version_info(self):
          # Meh.
          ver_part = invoke.__version__.split('.')[0]
          ver_info_part = invoke.__version_info__[0]
          eq_(ver_part, str(ver_info_part))
  
      class exposes_bindings:
          def task_decorator(self):
              assert invoke.task is invoke.tasks.task
  
          def ctask_decorator(self):
              assert invoke.ctask is invoke.tasks.ctask
  
          def task_class(self):
              assert invoke.Task is invoke.tasks.Task
  
          def collection_class(self):
              assert invoke.Collection is invoke.collection.Collection
  
          def context_class(self):
              assert invoke.Context is invoke.context.Context
  
          def config_class(self):
              assert invoke.Config is invoke.config.Config
  
          def run_function(self):
              assert invoke.run # lol
  
          def local_class(self):
              assert invoke.Local is invoke.runners.Local
  
          def runner_class(self):
              assert invoke.Runner is invoke.runners.Runner
  
          def failure_class(self):
              assert invoke.Failure is invoke.runners.Failure
  
          def exceptions(self):
              # Meh
              for obj in vars(invoke.exceptions).values():
                  if isinstance(obj, type) and issubclass(obj, BaseException):
                      top_level = getattr(invoke, obj.__name__)
                      real = getattr(invoke.exceptions, obj.__name__)
                      assert top_level is real
  
new_contents: import re
  
  import six
  from spec import Spec, eq_
  
  import invoke
  import invoke.collection
  import invoke.exceptions
  import invoke.tasks
  
  
  class Init(Spec):
      "__init__"
      def dunder_version_info(self):
          assert hasattr(invoke, '__version_info__')
          ver = invoke.__version_info__
          assert isinstance(ver, tuple)
          assert all(isinstance(x, int) for x in ver)
  
      def dunder_version(self):
          assert hasattr(invoke, '__version__')
          ver = invoke.__version__
          assert isinstance(ver, six.string_types)
          assert re.match(r'\d+\.\d+\.\d+', ver)
  
      def dunder_version_looks_generated_from_dunder_version_info(self):
          # Meh.
          ver_part = invoke.__version__.split('.')[0]
          ver_info_part = invoke.__version_info__[0]
          eq_(ver_part, str(ver_info_part))
  
      class exposes_bindings:
          def task_decorator(self):
              assert invoke.task is invoke.tasks.task
  
          def ctask_decorator(self):
              assert invoke.ctask is invoke.tasks.ctask
  
          def task_class(self):
              assert invoke.Task is invoke.tasks.Task
  
          def collection_class(self):
              assert invoke.Collection is invoke.collection.Collection
  
          def context_class(self):
              assert invoke.Context is invoke.context.Context
  
          def config_class(self):
              assert invoke.Config is invoke.config.Config
  
          def run_function(self):
              assert invoke.run # lol
  
          def pty_size_function(self):
              assert invoke.pty_size is invoke.platform.pty_size
  
          def local_class(self):
              assert invoke.Local is invoke.runners.Local
  
          def runner_class(self):
              assert invoke.Runner is invoke.runners.Runner
  
          def failure_class(self):
              assert invoke.Failure is invoke.runners.Failure
  
          def exceptions(self):
              # Meh
              for obj in vars(invoke.exceptions).values():
                  if isinstance(obj, type) and issubclass(obj, BaseException):
                      top_level = getattr(invoke, obj.__name__)
                      real = getattr(invoke.exceptions, obj.__name__)
                      assert top_level is real
  
subject: Test re: top level avail of pty_size