1 files changed, 7 insertions, 9 deletions
diff --git a/pkgs/development/python-modules/altair/default.nix b/pkgs/development/python-modules/altair/default.nix
index 6e686d9fc9073..e4bec8fafa4b6 100644
--- a/pkgs/development/python-modules/altair/default.nix
+++ b/pkgs/development/python-modules/altair/default.nix
@@ -6,7 +6,7 @@
 , jsonschema
 , numpy
 , pandas
-, pytest
+, pytestCheckHook
 , pythonOlder
 , recommonmark
 , six
@@ -18,12 +18,12 @@
 
 buildPythonPackage rec {
   pname = "altair";
-  version = "4.1.0";
+  version = "4.2.0";
   disabled = isPy27;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0c99q5dy6f275yg1f137ird08wmwc1z8wmvjickkf2mvyka31p9y";
+    sha256 = "d87d9372e63b48cd96b2a6415f0cf9457f50162ab79dc7a31cd7e024dd840026";
   };
 
   propagatedBuildInputs = [
@@ -39,7 +39,7 @@ buildPythonPackage rec {
   checkInputs = [
     glibcLocales
     ipython
-    pytest
+    pytestCheckHook
     recommonmark
     sphinx
     vega_datasets
@@ -47,11 +47,9 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "altair" ];
 
-  checkPhase = ''
-    export LANG=en_US.UTF-8
-    # histogram_responsive.py attempt network access, and cannot be disabled through pytest flags
-    rm altair/examples/histogram_responsive.py
-    pytest --doctest-modules altair
+  # avoid examples directory, which fetches web resources
+  preCheck = ''
+    cd altair/tests
   '';
 
   meta = with lib; {