using only -O1 to add .pyo files

rpm-install-script.sh

@@ -1,8 +1,5 @@
-python setup.py install --single-version-externally-managed --root="$RPM_BUILD_ROOT" --record=INSTALLED_FILES
-
 # Add .pyo files generated on CentOS 5.x
 # This is a workaround until someone comes with a better fix, like avoiding
 # /usr/lib/rpm/brp-python-bytecompile to run or convincing people that CentOS is pure evil.
-(cd "$RPM_BUILD_ROOT" && find -type f -name '*.pyc' | cut -b2-|sed -e 's/pyc$/pyo/') >> INSTALLED_FILES
-sort -u INSTALLED_FILES > .INSTALLED_FILES
-mv .INSTALLED_FILES INSTALLED_FILES
+
+python setup.py install -O1 --single-version-externally-managed --root="$RPM_BUILD_ROOT" --record=INSTALLED_FILES