Let's run codecov after testsing

tox.ini

@@ -16,6 +16,7 @@ commands =
     {toxinidir}/src/memopol/bin/install_client_deps.sh
     cp {toxinidir}/src/memopol/tests/local_settings.py {toxinidir}/src/memopol/local_settings.py
     py.test src/
+    codecov
     bash -c 'createdb -U memopol_test -p 5433 $CI_BUILD_REF_NAME'
     memopol migrate
     bash -c 'cat src/representatives/contrib/francedata/tests/representatives_input.json | francedata_import_representatives'