import numpy-1.14.3-10.el8

SPECS/numpy.spec

 Name:           numpy
 Version:        1.14.3
-Release:        9%{?dist}
+Release:        10%{?dist}
 Epoch:          1
 Summary:        A fast multidimensional array facility for Python
 
@@ -57,10 +57,14 @@ this package is a version of f2py that works properly with NumPy.
 Summary:        f2py for numpy
 Requires:       python3-numpy = %{epoch}:%{version}-%{release}
 Requires:       python3-libs-devel
+
+# Require alternatives version that implements the --keep-foreign flag
+Requires(postun): alternatives >= 1.19.1-1
 # For alternatives
 Requires:       python36
 Requires(post): python36
 Requires(postun): python36
+
 Provides:       python3-f2py = %{version}-%{release}
 Obsoletes:      python3-f2py <= 2.45.241_1927
 %{?python_provide:%python_provide python3-numpy-f2py}
@@ -159,7 +163,7 @@ alternatives --add-slave python3 %{_bindir}/python%{python3_version} \
 %postun -n python3-numpy-f2py
 # Do this only during uninstall process (not during update)
 if [ $1 -eq 0 ]; then
-    alternatives --remove-slave python3 \
+    alternatives --keep-foreign --remove-slave python3 \
         %{_bindir}/python%{python3_version} f2py3
 fi
 
@@ -198,6 +202,10 @@ fi
 
 
 %changelog
+* Fri Jul 30 2021 Tomas Orsava <torsava@redhat.com> - 1:1.14.3-10
+- Adjusted the postun scriptlets to enable upgrading to RHEL 9
+- Resolves: rhbz#1933055
+
 * Wed Jun 05 2019 Nikola Forró <nforro@redhat.com> - 1:1.14.3-9
 - Fix CVE-2019-6446
   resolves: #1668466