python3Packages.pint-xarray: fix build (#502428)

pkgs/development/python-modules/pint-xarray/default.nix

@@ -2,10 +2,12 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  fetchpatch2,
   setuptools,
   setuptools-scm,
   numpy,
   pint,
+  toolz,
   xarray,
   pytestCheckHook,
 }:
@@ -27,9 +29,25 @@ buildPythonPackage rec {
     setuptools-scm
   ];
 
+  patches = [
+    # Fixes 2 test failures. The merge commit of PR:
+    # https://github.com/xarray-contrib/pint-xarray/pull/367
+    (fetchpatch2 {
+      url = "https://github.com/xarray-contrib/pint-xarray/commit/296ee2e60c671175507de1fe904fa7e4d0a70586.patch?full_index=1";
+      hash = "sha256-SS2zQ7fIeLzEUTd+8BW1PFBw8+qed0fLslns1jNpLtA=";
+    })
+    # Similarly to the above, fixes 3 more test failures. See:
+    # https://github.com/xarray-contrib/pint-xarray/pull/368
+    (fetchpatch2 {
+      url = "https://github.com/xarray-contrib/pint-xarray/commit/6134b61e2cb6b4c46b7b0974a6e499dff2d9e18e.patch?full_index=1";
+      hash = "sha256-s1AbaXAeL0sGkj/DWV5145FKGHW4eF+a11w1yg5QENA=";
+    })
+  ];
+
   dependencies = [
     numpy
     pint
+    toolz
     xarray
   ];