From 4213fc7cde89d8508f27bd683f4047a462ee9652 Mon Sep 17 00:00:00 2001
From: Weijia Wang <9713184+wegank@users.noreply.github.com>
Date: Sun, 2 Apr 2023 15:00:07 +0300
Subject: [PATCH] sasview: fix build

---
 pkgs/applications/science/misc/sasview/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/applications/science/misc/sasview/default.nix b/pkgs/applications/science/misc/sasview/default.nix
index ca94be96d64e..ddc0cdfa4e5b 100644
--- a/pkgs/applications/science/misc/sasview/default.nix
+++ b/pkgs/applications/science/misc/sasview/default.nix
@@ -25,6 +25,12 @@ python3.pkgs.buildPythonApplication rec {
     })
   ];
 
+  # AttributeError: module 'numpy' has no attribute 'float'.
+  postPatch = ''
+    substituteInPlace src/sas/sascalc/pr/p_invertor.py \
+      --replace "dtype=np.float)" "dtype=float)"
+  '';
+
   nativeBuildInputs = [
     python3.pkgs.pyqt5
     wrapQtAppsHook