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+*********************
+pip requirement files
+*********************
+
+The files found here are `requirement files
+<http://pip.openplans.org/requirement-format.html>`_ that may be used with `pip
+<http://pip.openplans.org/>`_.
+
+To install the dependencies found in one of these files, simply run e.g.::
+
+    pip install -r requirements/tests.txt