[MacPorts] #48416: s3cmd @1.5.2: add py27-dateutil as dependency

[MacPorts]

#48416: s3cmd @1.5.2: add py27-dateutil as dependency
--------------------+--------------------------------
 Reporter:  arto@…  |      Owner:  macports-tickets@…
     Type:  defect  |     Status:  new
 Priority:  Low     |  Milestone:
Component:  ports   |    Version:  2.3.3
 Keywords:          |       Port:  s3cmd
--------------------+--------------------------------
 On a fresh MacPorts install on 10.10, doing `sudo port install s3cmd`
 doesn't suffice to execute it, outputting:

 {{{
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 ImportError trying to import dateutil.parser.
 Please install the python dateutil module:
 $ sudo apt-get install python-dateutil
   or
 $ sudo yum install python-dateutil
   or
 $ pip install python-dateutil
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 }}}

 After manually installing the `python-dateutil` library, the `s3cmd`
 program works fine. So, it seems that the port ought to depend on
 `py27-dateutil` as an explicit runtime dependency.

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Ticket URL: <https://trac.macports.org/ticket/48416>
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