From e5e46825766583e5ac48ecc9bd9e0814de1c1e64 Mon Sep 17 00:00:00 2001
From: Anton Volkov <antonwolfy@gmail.com>
Date: Mon, 7 Aug 2023 16:59:05 +0200
Subject: [PATCH] Fixed assigning a value to potentially none-valued dictionary

---
 scripts/gen_coverage.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/scripts/gen_coverage.py b/scripts/gen_coverage.py
index fa8adcde76e3..cdb6188d2a79 100644
--- a/scripts/gen_coverage.py
+++ b/scripts/gen_coverage.py
@@ -41,13 +41,15 @@ def run(
         "-DDPNP_GENERATE_COVERAGE=ON",
     ]
 
-    env = None
+    env = {}
     if bin_llvm:
         env = {
             "PATH": ":".join((os.environ.get("PATH", ""), bin_llvm)),
             "LLVM_TOOLS_HOME": bin_llvm,
         }
-        env.update({k: v for k, v in os.environ.items() if k != "PATH"})
+
+    # extend with global enviroment variables
+    env.update({k: v for k, v in os.environ.items() if k != "PATH"})
 
     subprocess.check_call(cmake_args, shell=False, cwd=setup_dir, env=env)