Merge branch '20-remove_python_safety_image' into 'master'

fix: switch from safety image to install safety

Closes #20

See merge request to-be-continuous/python!27

templates/gitlab-ci-python.yml

@@ -34,7 +34,6 @@ variables:
   BANDIT_ARGS: "--recursive ."
   
   # Safety tool
-  PYTHON_SAFETY_IMAGE: pyupio/safety:latest
   SAFETY_ARGS: "--full-report"
 
   # Docs
@@ -550,13 +549,13 @@ py-bandit:
 # Safety (dependency check)
 py-safety:
   extends: .python-base
-  image: $PYTHON_SAFETY_IMAGE
   stage: test
   # force no dependencies
   dependencies: []
   script:
     - mkdir -p reports
     - chmod o+rwx reports
+    - _pip install safety
     - install_requirements build
     - |
       if ! _pip freeze | safety check --stdin ${SAFETY_ARGS}