wheel 0.33.6 is the last version that builds with Python 3.6

as found in EL8

packaging/rpm/python3-wheel.spec

@@ -12,12 +12,19 @@ exit
 %define python3_sitelib %(%{python3} -Ic "from sysconfig import get_path; print(get_path('purelib').replace('/usr/local/', '/usr/'))" 2> /dev/null)
 %endif
 %define python3_version %(%{python3} -c 'import sys;vi=sys.version_info;print(f"{vi[0]}.{vi[1]}")')
+%define python3_minor %(%{python3} -c 'import sys;vi=sys.version_info;print(f"{vi[1]}")')
+%echo OOOO %{python3_minor}
 
 %global pypi_name wheel
 Name:           %{python3}-%{pypi_name}
-Version:        0.41.3
 Release:        2%{?dist}
+%if 0%{python3_minor} < 7
+Version:        0.33.6
+Source0:        https://files.pythonhosted.org/packages/59/b0/11710a598e1e148fb7cbf9220fd2a0b82c98e94efbdecb299cb25e7f0b39/%{pypi_name}-%{version}.tar.gz
+%else
+Version:        0.41.3
 Source0:        https://files.pythonhosted.org/packages/fb/d0/0b4c18a0b85c20233b0c3bc33f792aefd7f12a5832b4da77419949ff6fd9/%{pypi_name}-%{version}.tar.gz
+%endif
 Summary:        Built-package format for Python
 Provides:       bundled(python3dist(packaging)) = 20.9
 BuildRequires:  %{python3}-devel
@@ -40,7 +47,11 @@ It has two different roles:
 
 %prep
 sha256=`sha256sum %{SOURCE0} | awk '{print $1}'`
+%if 0%{python3_minor} < 7
+if [ "${sha256}" != "10c9da68765315ed98850f8e048347c3eb06dd81822dc2ab1d4fde9dc9702646" ]; then
+%else
 if [ "${sha256}" != "4d4987ce51a49370ea65c0bfd2234e8ce80a12780820d9dc462597a6e60d0841" ]; then
+%endif
 	echo "invalid checksum for %{SOURCE0}"
 	exit 1
 fi