Require 0.17.1 cython so it gets fetched from experimental

Author: yarikoptic

debian/control

@@ -5,7 +5,8 @@ Maintainer: NeuroDebian Team <[email protected]>
 Uploaders: Yaroslav Halchenko <[email protected]>, Michael Hanke <[email protected]>
 Build-Depends: debhelper (>= 7.0.50),
                python-all-dev (>= 2.5),
-               python-setuptools, cython (>= 0.12~),
+               python-setuptools,
+               cython (>= 0.17.1~),
                python-numpy (>= 1:1.6~), python-dateutil,
                python-scipy,
                python-tz,
@@ -16,7 +17,8 @@ Build-Depends: debhelper (>= 7.0.50),
                python-tk,
                python-openpyxl, python-xlwt, python-xlrd,
                python3-all-dev (>= 2.5),
-               python3-setuptools, cython3 (>= 0.12~),
+               python3-setuptools,
+               cython3 (>= 0.17.1~),
                python3-numpy (>= 1:1.6~), python3-dateutil,
                python3-scipy,
                python3-tz,