beancount: fix build

pytest is now a runtime dependency

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

@@ -1,7 +1,7 @@
 { stdenv, buildPythonPackage, fetchPypi, isPy3k
 , beautifulsoup4, bottle, chardet, dateutil
 , google_api_python_client, lxml, ply, python_magic
-, nose, requests }:
+, pytest, requests }:
 
 buildPythonPackage rec {
   version = "2.1.3";
@@ -14,13 +14,8 @@ buildPythonPackage rec {
     sha256 = "4b7b0d3633c82ca88d3cb3d31ad2fd2e45a42401cfa94eaa1cb938ffece34f22";
   };
 
-  checkInputs = [ nose ];
-
-  # Automatic tests cannot be run because it needs to import some local modules for tests.
+  # No tests in archive
   doCheck = false;
-  checkPhase = ''
-    nosetests
-  '';
 
   propagatedBuildInputs = [
     beautifulsoup4
@@ -32,6 +27,9 @@ buildPythonPackage rec {
     ply
     python_magic
     requests
+    # pytest really is a runtime dependency
+    # https://bitbucket.org/blais/beancount/commits/554e13057551951e113835196770847c788dd592
+    pytest
   ];
 
   meta = {