1 files changed, 10 insertions, 15 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/opt-einsum/default.nix b/nixpkgs/pkgs/development/python-modules/opt-einsum/default.nix
index c28105d4e49..f4e7d38ecb8 100644
--- a/nixpkgs/pkgs/development/python-modules/opt-einsum/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/opt-einsum/default.nix
@@ -1,31 +1,26 @@
-{ buildPythonPackage, fetchPypi, lib, numpy, pytest, pytestpep8, pytestcov }:
+{ buildPythonPackage, fetchPypi, lib, numpy, pytest_4 }:
+
 buildPythonPackage rec {
-  version = "2.3.2";
+  version = "3.0.1";
   pname = "opt_einsum";
 
   src = fetchPypi {
     inherit version pname;
-    sha256 = "0ny3v8x83mzpwmqjdzqhzy2pzwyy4wx01r1h9i29xw3yvas69m6k";
+    sha256 = "1agyvq26x0zd6j3wzgczl4apx8v7cb9w1z50azn8c3pq9jphgfla";
   };
 
-  checkInputs = [
-    pytest
-    pytestpep8
-    pytestcov
-  ];
+  propagatedBuildInputs = [ numpy ];
+
+  checkInputs = [ pytest_4 ];
 
   checkPhase = ''
     pytest
   '';
 
-  propagatedBuildInputs = [
-    numpy
-  ];
-
-  meta = {
+  meta = with lib; {
     description = "Optimizing NumPy's einsum function with order optimization and GPU support.";
     homepage = http://optimized-einsum.readthedocs.io;
-    license = lib.licenses.mit;
-    maintainers = with lib.maintainers; [ teh ];
+    license = licenses.mit;
+    maintainers = with maintainers; [ teh ];
   };
 }