Merge pull request #13706 from JiabinYang/fix/mac_ci_job_pip

Cherry-pick from develop

paddle/scripts/paddle_build.sh

@@ -395,10 +395,11 @@ EOF
         ctest --output-on-failure -j $1     
         # make install should also be test when unittest 
         make install -j 8
-        pip install ${INSTALL_PREFIX:-/paddle/build}/opt/paddle/share/wheels/*.whl
+        pip install --user ${INSTALL_PREFIX:-/paddle/build}/opt/paddle/share/wheels/*.whl
         if [[ ${WITH_FLUID_ONLY:-OFF} == "OFF" ]] ; then
             paddle version
         fi
+        pip uninstall -y paddlepaddle
     fi
 }