pythonPackages.scikit-bio: remove old depency relaxing, add imports check

pkgs/development/python-modules/scikit-bio/default.nix

@@ -32,12 +32,6 @@ buildPythonPackage rec {
   checkInputs = [ coverage ];
   propagatedBuildInputs = [ lockfile cachecontrol decorator ipython matplotlib natsort numpy pandas scipy hdmedians scikitlearn ];
 
-  # remove on when version > 0.5.4
-  postPatch = ''
-    sed -i "s/numpy >= 1.9.2, < 1.14.0/numpy/" setup.py
-    sed -i "s/pandas >= 0.19.2, < 0.23.0/pandas/" setup.py
-  '';
-
   # cython package not included for tests
   doCheck = false;
 
@@ -45,6 +39,8 @@ buildPythonPackage rec {
     ${python.interpreter} -m skbio.test
   '';
 
+  pythonImportsCheck = [ "skbio" ];
+
   meta = with lib; {
     homepage = "http://scikit-bio.org/";
     description = "Data structures, algorithms and educational resources for bioinformatics";