pythonPackages.scipy: disable tests

We should try to get these enabled again asap.
https://github.com/scipy/scipy/pull/8871#issuecomment-417391433

pkgs/development/python-modules/scipy/default.nix

@@ -1,4 +1,4 @@
-{lib, fetchPypi, python, buildPythonPackage, gfortran, nose, pytest, numpy}:
+{lib, fetchPypi, python, buildPythonPackage, gfortran, nose, pytest, numpy, fetchpatch}:
 
 buildPythonPackage rec {
   pname = "scipy";
@@ -18,6 +18,10 @@ buildPythonPackage rec {
     rm scipy/linalg/tests/test_lapack.py
   '';
 
+  # INTERNALERROR, solved with https://github.com/scipy/scipy/pull/8871
+  # however, it does not apply cleanly.
+  doCheck = false;
+
   preConfigure = ''
     sed -i '0,/from numpy.distutils.core/s//import setuptools;from numpy.distutils.core/' setup.py
     export NPY_NUM_BUILD_JOBS=$NIX_BUILD_CORES