pythonPackages.pytestrunner: 2.6.2 -> 3.0

Also add missing dependency to progressbar2

pkgs/development/python-modules/progressbar2/default.nix

@@ -14,6 +14,7 @@
 , pytestcov
 , pytestcache
 , pep8
+, pytestrunner
 }:
 
 buildPythonPackage rec {
@@ -30,6 +31,7 @@ buildPythonPackage rec {
   };
 
   propagatedBuildInputs = [ python-utils ];
+  nativeBuildInputs = [ pytestrunner ];
   checkInputs = [
     pytest sphinx coverage execnet flake8 pytestpep8 pytestflakes pytestcov
     pytestcache pep8

pkgs/development/python-modules/pytestrunner/default.nix

@@ -0,0 +1,19 @@
+{ stdenv, buildPythonPackage, fetchPypi, setuptools_scm, pytest }:
+
+buildPythonPackage rec {
+  pname = "pytest-runner";
+  version = "3.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "00v7pi09q60yx0l1kzyklnmr5bp597mir85a9gsi7bdfyly3lz0g";
+  };
+
+  buildInputs = [ setuptools_scm pytest ];
+
+  meta = with stdenv.lib; {
+    description = "Invoke py.test as distutils command with dependency resolution";
+    homepage = https://bitbucket.org/pytest-dev/pytest-runner;
+    license = licenses.mit;
+  };
+}