pythonPackages:google*: Noramlize names by replacing _ with -

pkgs/development/python-modules/google-cloud-testutils/default.nix

@@ -0,0 +1,25 @@
+{ stdenv, buildPythonPackage, fetchPypi, google-auth, six }:
+
+buildPythonPackage rec {
+  pname = "google-cloud-testutils";
+  version = "0.1.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1bn1pz00lxym3vkl6l45b3nydpmfdvmylwggh2lspldrxwx39a0k";
+  };
+
+  propagatedBuildInputs = [ google-auth six ];
+
+  # does not contain tests
+  doCheck = false;
+
+  pythonImportsCheck = [ "test_utils" ];
+
+  meta = with stdenv.lib; {
+    description = "System test utilities for google-cloud-python";
+    homepage = "https://github.com/googleapis/python-test-utils";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ SuperSandro2000 ];
+  };
+}