skip safety check on 3.7

Author: altendky

.github/workflows/lint_python.yml

@@ -37,4 +37,5 @@ jobs:
       - run: mypy --ignore-missing-imports --install-types --non-interactive . || true
       - run: make test
       - run: shopt -s globstar && pyupgrade --py36-plus **/*.py || true
-      - run: safety check
+      - if: matrix.python != '3.7'
+        run: safety check