Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -7,6 +7,6 @@ test:
   script:
   - apt-get update -qy
   - apt-get install -y python3-dev python3-pip
-  - pip install -r ml/requirements.txt
+  - pip install -r ml/requirements.txt --use-deprecated=legacy-resolver
   - pip install -e ./ml
-  - pytest .
\ No newline at end of file
+  - pytest .