From e714a4c3760830d94b7433498871c874fd91a828 Mon Sep 17 00:00:00 2001
From: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Date: Mon, 1 Mar 2021 20:50:41 -0500
Subject: [PATCH] python3Packages.numba: disable on python 3.9

  RuntimeError: Cannot install on Python version 3.9.2; only versions >=3.6,<3.9 are supported.
---
 pkgs/development/python-modules/numba/default.nix | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/python-modules/numba/default.nix b/pkgs/development/python-modules/numba/default.nix
index a387bfcf009..48ed52499c5 100644
--- a/pkgs/development/python-modules/numba/default.nix
+++ b/pkgs/development/python-modules/numba/default.nix
@@ -1,5 +1,6 @@
 { lib
 , stdenv
+, pythonAtLeast
 , pythonOlder
 , fetchPypi
 , python
@@ -13,8 +14,8 @@
 buildPythonPackage rec {
   version = "0.52.0";
   pname = "numba";
-  # uses f-strings
-  disabled = pythonOlder "3.6";
+  # uses f-strings, python 3.9 is not yet supported
+  disabled = pythonOlder "3.6" || pythonAtLeast "3.9";
 
   src = fetchPypi {
     inherit pname version;