From 3fe3dcd92e309eda64fc39d7ed0cdbcda306474e Mon Sep 17 00:00:00 2001
From: Jonathan Ringer <jonringer117@gmail.com>
Date: Mon, 11 Jan 2021 19:15:31 -0800
Subject: [PATCH] python3Packages.pandas: fix tests

Tests now have relative imports to other test files,
so pytest needs to be executed in the
$out/${python.sitePackages}/pandas directory to make
these assumptions valid
---
 pkgs/development/python-modules/pandas/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/python-modules/pandas/default.nix b/pkgs/development/python-modules/pandas/default.nix
index 3db271ee998..b9865fe628b 100644
--- a/pkgs/development/python-modules/pandas/default.nix
+++ b/pkgs/development/python-modules/pandas/default.nix
@@ -85,7 +85,6 @@ in buildPythonPackage rec {
   doCheck = !stdenv.isAarch64; # upstream doesn't test this architecture
 
   pytestFlagsArray = [
-    "$out/${python.sitePackages}/pandas"
     "--skip-slow"
     "--skip-network"
   ];
@@ -120,7 +119,10 @@ in buildPythonPackage rec {
     "test_clipboard"
   ];
 
+  # tests have relative paths, and need to reference compiled C extensions
+  # so change directory where `import .test` is able to be resolved
   preCheck = ''
+    cd $out/${python.sitePackages}/pandas
     export LC_ALL="en_US.UTF-8"
     PYTHONPATH=$out/${python.sitePackages}:$PYTHONPATH
   ''