diff --git a/python-cartopy.spec b/python-cartopy.spec
index e807ef2..cfb0bcb 100644
--- a/python-cartopy.spec
+++ b/python-cartopy.spec
@@ -3,7 +3,7 @@
 
 Name:           python-%{srcname}
 Version:        0.17.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Cartographic Python library with Matplotlib visualisations
 
 License:        LGPLv3
@@ -171,9 +171,9 @@ done
 
 
 %check
-PYTHONPATH="%{buildroot}%{python2_sitearch}" MPLBACKEND=Agg \
+PYTHONPATH="%{buildroot}%{python2_sitearch}" PYTHONDONTWRITEBYTECODE=1 MPLBACKEND=Agg \
     pytest-2 --doctest-modules --pyargs cartopy -m "not network"
-PYTHONPATH="%{buildroot}%{python3_sitearch}" MPLBACKEND=Agg \
+PYTHONPATH="%{buildroot}%{python3_sitearch}" PYTHONDONTWRITEBYTECODE=1 MPLBACKEND=Agg \
     pytest-3 --doctest-modules --pyargs cartopy -m "not network"
 
 
@@ -192,6 +192,9 @@ PYTHONPATH="%{buildroot}%{python3_sitearch}" MPLBACKEND=Agg \
 
 
 %changelog
+* Thu Dec 06 2018 Elliott Sales de Andrade <quantum.analyst@gmail.com> - 0.17.0-2
+- Remove pytest bytecode
+
 * Sat Nov 17 2018 Elliott Sales de Andrade <quantum.analyst@gmail.com> - 0.17.0-1
 - Update to latest version
 - Remove workaround for unpackaged Natural Earth data