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-rw-r--r--pkgs/development/python-modules/numpy/default.nix18
1 files changed, 14 insertions, 4 deletions
diff --git a/pkgs/development/python-modules/numpy/default.nix b/pkgs/development/python-modules/numpy/default.nix
index 622f784fb8ba9..51eeab3177e20 100644
--- a/pkgs/development/python-modules/numpy/default.nix
+++ b/pkgs/development/python-modules/numpy/default.nix
@@ -4,13 +4,14 @@
 , buildPythonPackage
 , gfortran
 , hypothesis
-, pytest
+, pytest_5
 , blas
 , lapack
 , writeTextFile
 , isPyPy
 , cython
 , setuptoolsBuildHook
+, fetchpatch
  }:
 
 assert (!blas.isILP64) && (!lapack.isILP64);
@@ -48,10 +49,16 @@ in buildPythonPackage rec {
     sha256 = "141ec3a3300ab89c7f2b0775289954d193cc8edb621ea05f99db9cb181530512";
   };
 
-  nativeBuildInputs = [ gfortran pytest cython setuptoolsBuildHook ];
+  nativeBuildInputs = [ gfortran cython setuptoolsBuildHook ];
   buildInputs = [ blas lapack ];
 
-  patches = lib.optionals python.hasDistutilsCxxPatch [
+  patches = [
+    # For compatibility with newer pytest
+    (fetchpatch {
+      url = "https://github.com/numpy/numpy/commit/ba315034759fbf91c61bb55390edc86e7b2627f3.patch";
+      sha256 = "F2P5q61CyhqsZfwkLmxb7A9YdE+43FXLbQkSjop2rVY=";
+    })
+  ] ++ lib.optionals python.hasDistutilsCxxPatch [
     # We patch cpython/distutils to fix https://bugs.python.org/issue1222585
     # Patching of numpy.distutils is needed to prevent it from undoing the
     # patch to distutils.
@@ -75,7 +82,10 @@ in buildPythonPackage rec {
 
   doCheck = !isPyPy; # numpy 1.16+ hits a bug in pypy's ctypes, using either numpy or pypy HEAD fixes this (https://github.com/numpy/numpy/issues/13807)
 
-  checkInputs = [ hypothesis ];
+  checkInputs = [
+    pytest_5 # pytest 6 will error: "module is already imported: hypothesis"
+    hypothesis
+  ];
 
   checkPhase = ''
     runHook preCheck