python - heroku run python manage.py syncdb:タイムアウトエラー

Question

ターミナルで「heroku run python manage.py syncdb」を実行すると、エラーが発生します

Running `python manage.py syncdb` attached to terminal... up, run.4140
!    Heroku client internal error.
!    Search for help at: https://help.heroku.com
!    Or report a bug at: https://github.com/heroku/heroku/issues/new
Error:       Connection timed out - connect(2) (Errno::ETIMEDOUT)
Backtrace:   /usr/local/heroku/lib/heroku/client/rendezvous.rb:40:in `initialize'
             /usr/local/heroku/lib/heroku/client/rendezvous.rb:40:in `open'
             /usr/local/heroku/lib/heroku/client/rendezvous.rb:40:in `block in start'
             /usr/lib/ruby/1.9.1/timeout.rb:68:in `timeout'
             /usr/local/heroku/lib/heroku/client/rendezvous.rb:31:in `start'
             /usr/local/heroku/lib/heroku/command/run.rb:132:in `rendezvous_session'
             /usr/local/heroku/lib/heroku/command/run.rb:119:in `run_attached'
             /usr/local/heroku/lib/heroku/command/run.rb:24:in `index'
             /usr/local/heroku/lib/heroku/command.rb:213:in `run'
             /usr/local/heroku/lib/heroku/cli.rb:28:in `start'
             /usr/local/heroku/bin/heroku:25:in `<main>'

Command:     heroku run python manage.py syncdb
Version:     heroku-toolbelt/3.1.1 (i686-linux) ruby/1.9.3