* fixed issue

Author: HenningWoydt

pyproject.toml

@@ -52,9 +52,9 @@ skip = "*-musllinux_* *-win32 *-manylinux_i686"
 before-build = "./build.sh"
 test-requires = "numpy"
 test-command = "python -c 'import sharedmap; print(sharedmap.__version__)'"
-environment = { PIP_PREFER_BINARY = "1" }
 
 [tool.cibuildwheel.environment]
+PIP_PREFER_BINARY = "1"
 VIRTUALENV_PIP = "embed"
 
 [tool.cibuildwheel.linux]