Fix pyvenv on some operating systems

Author: treydock

manifests/pyvenv.pp

@@ -49,6 +49,13 @@
       ensure_packages($python3_venv_package)
 
       Package[$python3_venv_package] -> File[$venv_dir]
+
+      if $facts['os']['distro']['codename'] in ['buster','bionic'] {
+        $python3_distutils_package = "python${normalized_python_version}-distutils"
+        ensure_packages($python3_distutils_package)
+
+        Package[$python3_distutils_package] -> File[$venv_dir]
+      }
     }
 
     # pyvenv is deprecated since 3.6 and will be removed in 3.8

spec/defines/pyvenv_spec.rb

@@ -21,6 +21,10 @@
         if %w[xenial bionic cosmic disco stretch buster].include?(facts[:lsbdistcodename])
           it { is_expected.to contain_package('python3.5-venv').that_comes_before('File[/opt/env]') }
         end
+
+        if %w[bionic buster].include?(facts[:lsbdistcodename])
+          it { is_expected.to contain_package('python3.5-distutils').that_comes_before('File[/opt/env]') }
+        end
       end
 
       describe 'when ensure' do