Merge branch 'ci' into 'master'

Fix ci error

See merge request !739

.gitlab-ci.yml

@@ -78,7 +78,6 @@ build_libraries:
   stage: build_libraries
   script:
     - bash tools/build-standalone-lib.sh
-    - bazel build --copt=-fopenmp mace/tools/quantization:quantize_stat
 
 ndk_versions_compatible_tests:
   stage: ndk_versions_compatible_tests
@@ -117,6 +116,7 @@ python_tools_tests:
       python tools/converter.py convert --config=${CONF_FILE} --model_graph_format=file --model_data_format=file || exit 1;
       python tools/converter.py run --config=${CONF_FILE} --round=1 --validate --model_graph_format=file --model_data_format=file || exit 1;
       python tools/converter.py run --config=${CONF_FILE} --example --round=1 --validate --model_graph_format=file --model_data_format=file || exit 1;
+    - bazel build --copt=-fopenmp mace/tools/quantization:quantize_stat
     - rm -rf mace-models
 
 build_android_demo: