diff --git a/pkgs/development/python-modules/dask-glm/default.nix b/pkgs/development/python-modules/dask-glm/default.nix
index ca25e05bb1e..d091785db11 100644
--- a/pkgs/development/python-modules/dask-glm/default.nix
+++ b/pkgs/development/python-modules/dask-glm/default.nix
@@ -8,7 +8,7 @@
 , setuptools-scm
 , scipy
 , scikitlearn
-, pytest
+, pytestCheckHook
 }:
 
 buildPythonPackage rec {
@@ -21,13 +21,9 @@ buildPythonPackage rec {
   };
 
   nativeBuildInputs = [ setuptools-scm ];
-  checkInputs = [ pytest ];
+  checkInputs = [ pytestCheckHook ];
   propagatedBuildInputs = [ cloudpickle dask numpy toolz multipledispatch scipy scikitlearn ];
 
-  checkPhase = ''
-    py.test dask_glm
-  '';
-
   meta = with lib; {
     homepage = "https://github.com/dask/dask-glm/";
     description = "Generalized Linear Models with Dask";
diff --git a/pkgs/development/python-modules/dask-ml/default.nix b/pkgs/development/python-modules/dask-ml/default.nix
index 517056866bb..b02c9a71a6b 100644
--- a/pkgs/development/python-modules/dask-ml/default.nix
+++ b/pkgs/development/python-modules/dask-ml/default.nix
@@ -26,6 +26,10 @@ buildPythonPackage rec {
     sha256 = "8fc4ac3ec1915e382fb8cae9ff1ec9b5ac1bee0b6f4c6975d6e6cb7191a4a815";
   };
 
+  nativeBuildInputs = [
+    setuptools-scm
+  ];
+
   propagatedBuildInputs = [
     dask
     dask-glm
@@ -39,7 +43,6 @@ buildPythonPackage rec {
     scipy
     six
     toolz
-    setuptools-scm
   ];
 
   # has non-standard build from source, and pypi doesn't include tests
diff --git a/pkgs/development/python-modules/dask/default.nix b/pkgs/development/python-modules/dask/default.nix
index 1c6d37681a6..55ba3ad6ba7 100644
--- a/pkgs/development/python-modules/dask/default.nix
+++ b/pkgs/development/python-modules/dask/default.nix
@@ -1,4 +1,5 @@
 { lib
+, stdenv
 , bokeh
 , buildPythonPackage
 , fetchpatch
@@ -77,9 +78,7 @@ buildPythonPackage rec {
     "-m 'not network'"
   ];
 
-  disabledTests = [
-    "test_annotation_pack_unpack"
-    "test_annotations_blockwise_unpack"
+  disabledTests = lib.optionals stdenv.isDarwin [
     # this test requires features of python3Packages.psutil that are
     # blocked in sandboxed-builds
     "test_auto_blocksize_csv"