[MacPorts] #56111: py27-tornado @5.0.1: missing dependency

[MacPorts]

#56111: py27-tornado @5.0.1: missing dependency
-------------------------+------------------------
 Reporter:  Schamschula  |      Owner:  stromnov
     Type:  defect       |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:
 Keywords:               |       Port:  py-tornado
-------------------------+------------------------
 When launching {{{jupyter-notebook-2.7}}} I get the following error:

 {{{
 Traceback (most recent call last):
   File "/opt/local/bin/jupyter-notebook-2.7", line 6, in <module>
     from pkg_resources import load_entry_point
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7
 /site-packages/pkg_resources/__init__.py", line 3195, in <module>
     @_call_aside
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7
 /site-packages/pkg_resources/__init__.py", line 3179, in _call_aside
     f(*args, **kwargs)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7
 /site-packages/pkg_resources/__init__.py", line 3208, in
 _initialize_master_working_set
     working_set = WorkingSet._build_master()
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7
 /site-packages/pkg_resources/__init__.py", line 681, in _build_master
     ws.require(__requires__)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7
 /site-packages/pkg_resources/__init__.py", line 999, in require
     needed = self.resolve(parse_requirements(requirements))
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7
 /site-packages/pkg_resources/__init__.py", line 885, in resolve
     raise DistributionNotFound(req, requirers)
 pkg_resources.DistributionNotFound: The 'futures' distribution was not
 found and is required by tornado
 }}}

 After I install {{{py27-futures}}}, everything works as expected.

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Ticket URL: <https://trac.macports.org/ticket/56111>
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