[MacPorts] #54609: HORTON @2.0.1: update to 2.1.0

[MacPorts]

#54609: HORTON @2.0.1: update to 2.1.0
---------------------+---------------------
  Reporter:  l2dy    |      Owner:  tczorro
      Type:  update  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:
      Port:  HORTON  |
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Comment (by dstrubbe):

 It compiles and runs successfully with cython 0.25.2.

 WIth current cython, this patch makes it compile (but it seems to fail
 when running):

 --- horton/grid/cext.pyx.orig   2018-07-03 17:19:32.000000000 -0700
 +++ horton/grid/cext.pyx        2018-07-03 17:19:52.000000000 -0700
 @@ -36,6 +36,7 @@
  cimport lebedev_laikov
  cimport becke
  cimport cubic_spline
 +import evaluate
  cimport evaluate
  cimport ode2
  cimport rtransform

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Ticket URL: <https://trac.macports.org/ticket/54609#comment:2>
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