From 8b9883ab520a1b242d67d561eceb7b33d089a76e Mon Sep 17 00:00:00 2001
From: Robert Scott <code@humanleg.org.uk>
Date: Mon, 6 May 2019 23:10:26 +0100
Subject: [PATCH] pythonPackages.lark-parser: enable majority of tests

---
 pkgs/development/python-modules/lark-parser/default.nix | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/pkgs/development/python-modules/lark-parser/default.nix b/pkgs/development/python-modules/lark-parser/default.nix
index 5d114fcab9c..33965221cec 100644
--- a/pkgs/development/python-modules/lark-parser/default.nix
+++ b/pkgs/development/python-modules/lark-parser/default.nix
@@ -15,12 +15,11 @@ buildPythonPackage rec {
     sha256 = "1zynj09w361yvbxr4hir681dfnlq1hzniws9dzgmlkvd6jnhjgx3";
   };
 
-  checkPhase = ''
-    ${python.interpreter} -m unittest
+  # tests of Nearley support require js2py
+  preCheck = ''
+    rm -r tests/test_nearley
   '';
 
-  doCheck = false; # Requires js2py
-
   meta = {
     description = "A modern parsing library for Python, implementing Earley & LALR(1) and an easy interface";
     homepage = https://github.com/lark-parser/lark;