[fix] #96 fix gitlab-ci env var from settings is empty

.gitlab-ci.yml

@@ -97,7 +97,7 @@ releases:
     - pip install -r requirements.txt
     - pip install -r requirements_deploy.txt
     - make build
-    - make deploy PYPI_PASSWORD=${PYPI_PASSWORD}
+    - make deploy PYPI_PASSWORD=$PYPI_PASSWORD
 
 release_test:
   <<: *pyenv
@@ -107,4 +107,4 @@ release_test:
     - pip install -r requirements.txt
     - pip install -r requirements_deploy.txt
     - make build
-    - make deploy_test PYPI_PASSWORD=${PYPI_TEST_PASSWORD}
+    - make deploy_test PYPI_PASSWORD=$PYPI_TEST_PASSWORD