diff --git a/.gitignore b/.gitignore
index c2d0f98..761c38c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,4 @@
 /copr-dist-git-0.39.tar.gz
 /copr-dist-git-0.40.tar.gz
 /copr-dist-git-0.41.tar.gz
+/copr-dist-git-0.42.tar.gz
diff --git a/copr-dist-git.spec b/copr-dist-git.spec
index 16d6c9c..f2a4174 100644
--- a/copr-dist-git.spec
+++ b/copr-dist-git.spec
@@ -1,24 +1,27 @@
 Name:       copr-dist-git
-Version:    0.41
-Release:    2%{?dist}
+Version:    0.42
+Release:    1%{?dist}
 Summary:    Copr services for Dist Git server
 
 License:    GPLv2+
 URL:        https://pagure.io/copr/copr
 # Source is created by
 # git clone https://pagure.io/copr/copr.git
-# git checkout copr-dist-git-0.41
+# git checkout copr-dist-git-0.42
 # cd copr/dist-git
 # rpkg sources --spec
-Source0:    copr-dist-git-0.41.tar.gz
+Source0:    copr-dist-git-0.42.tar.gz
 
 BuildArch:  noarch
 
+# switch off byte-compilation in %%{_datadir}
+%global _python_bytecompile_extra 0
+
 BuildRequires: systemd
+BuildRequires: python3-devel
 BuildRequires: python3-munch
 BuildRequires: python3-requests
 BuildRequires: python3-rpkg
-BuildRequires: python3-mock
 BuildRequires: python3-pytest
 BuildRequires: python3-pytest-cov
 
@@ -77,6 +80,8 @@ cp -a conf/logrotate %{buildroot}%{_sysconfdir}/logrotate.d/copr-dist-git
 # for ghost files
 touch %{buildroot}%{_var}/log/copr-dist-git/main.log
 
+%py_byte_compile %{__python3} %{buildroot}%{_datadir}/copr/dist_git
+
 %check
 
 PYTHONPATH=.:$PYTHONPATH python3 -B -m pytest \
@@ -115,8 +120,9 @@ restorecon -rv /var/lib/copr-dist-git
 %ghost %{_var}/log/copr-dist-git/*.log
 
 %changelog
-* Thu Jul 12 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.41-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild
+* Mon Aug 06 2018 clime <clime@redhat.com> 0.42-1
+- manual byte-code compilation
+- for py3 use unittest.mock, otherwise mock from python2-mock
 
 * Fri May 18 2018 clime <clime@redhat.com> 0.41-1
 - switch to python3
diff --git a/sources b/sources
index cafa078..54569f7 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (copr-dist-git-0.41.tar.gz) = 59aa5f74b5c15a65967bbf33176ebb72d6bf6e6c8fe984975c8136c576ed488ef20106b17698893da094468d57638e3ee239b3759fe5e7ee1c00eda9c32e5b9b
+SHA512 (copr-dist-git-0.42.tar.gz) = 01963d8a32844a8a6a1658dc03d75677f5ea6dfa14c941e214f5aeac487f9b0cdd7db1b25cb9c3b1c25fc7e33ed30b698e9185915297870e04162ec976dfa701