always install python2-setuptools if python2 is enabled

... to fix the following build failure on Fedora rawhide:

+ cd python
+ CFLAGS='-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection'
+ /usr/bin/python2 setup.py build
Traceback (most recent call last):
  File "setup.py", line 5, in <module>
    from setuptools import setup
ImportError: No module named setuptools
RPM build errors:
error: Bad exit status from /var/tmp/rpm-tmp.BWebEV (%build)

file.spec

@@ -15,7 +15,7 @@
 Summary: A utility for determining file types
 Name: file
 Version: 5.37
-Release: 5%{?dist}
+Release: 6%{?dist}
 License: BSD
 Source0: ftp://ftp.astron.com/pub/file/file-%{version}.tar.gz
 
@@ -67,9 +67,7 @@ The file-static package contains the static version of the libmagic library.
 %package -n python2-magic
 Summary: Python 2 bindings for the libmagic API
 BuildRequires: python2-devel
-%if 0%{?rhel} && 0%{?rhel} <= 7
-BuildRequires: python-setuptools
-%endif
+BuildRequires: python2-setuptools
 BuildArch: noarch
 Requires: %{name} = %{version}-%{release}
 %{?python_provide:%python_provide python2-magic}
@@ -205,6 +203,9 @@ cd %{py3dir}
 %endif
 
 %changelog
+* Fri Oct 04 2019 Kamil Dudka <kdudka@redhat.com> - 5.37-6
+- always install python2-setuptools if python2 is enabled
+
 * Thu Oct 03 2019 Miro Hrončok <mhroncok@redhat.com> - 5.37-5
 - Rebuilt for Python 3.8.0rc1 (#1748018)