python3Packages.intensity-normalization: add format

pkgs/development/python-modules/intensity-normalization/default.nix

@@ -16,6 +16,8 @@
 buildPythonPackage rec {
   pname = "intensity-normalization";
   version = "2.1.4";
+  format = "setuptools";
+
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
@@ -23,17 +25,6 @@ buildPythonPackage rec {
     sha256 = "e7b46039311bcbba40224d85eb07eefe1488bd8a6faa893a180e15e65c48b7f5";
   };
 
-  postPatch = ''
-    substituteInPlace setup.cfg --replace "pytest-runner" ""
-  '';
-
-  checkInputs = [ pytestCheckHook ];
-  pythonImportsCheck = [
-    "intensity_normalization"
-    "intensity_normalization.normalize"
-    "intensity_normalization.plot"
-    "intensity_normalization.util"
-  ];
   propagatedBuildInputs = [
     matplotlib
     nibabel
@@ -45,6 +36,22 @@ buildPythonPackage rec {
     statsmodels
   ];
 
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  postPatch = ''
+    substituteInPlace setup.cfg \
+      --replace "pytest-runner" ""
+  '';
+
+  pythonImportsCheck = [
+    "intensity_normalization"
+    "intensity_normalization.normalize"
+    "intensity_normalization.plot"
+    "intensity_normalization.util"
+  ];
+
   meta = with lib; {
     homepage = "https://github.com/jcreinhold/intensity-normalization";
     description = "MRI intensity normalization tools";