And also include /usr/bin, since the bin stubs for pip installed packages live there

.circleci/config.yml

@@ -17,6 +17,7 @@ defaults:
     APP_DIR: /opt/atat/atst
     ATAT_DOCKER_REGISTRY_URL: registry.atat.codes:443
     CONTAINER_NAME: atst-container
+    USR_BIN_DIR: /usr/bin
     PYTHON_SITE_PACKAGES_DIR: /usr/lib/python3.6/site-packages
     PROD_IMAGE_NAME: atst-prod
 
@@ -142,6 +143,9 @@ jobs:
       - run:
           name: "Copy System Site Packages into the Container"
           command: docker cp ${PYTHON_SITE_PACKAGES_DIR}/. ${CONTAINER_NAME}:${PYTHON_SITE_PACKAGES_DIR}
+      - run:
+          name: "Copy USR_BIN Contents into the Container"
+          command: docker cp ${USR_BIN_DIR}/. ${CONTAINER_NAME}:${USR_BIN_DIR}
       - run:
           name: "Run Fix Permissions"
           command: docker exec -t --workdir ${APP_DIR} ${CONTAINER_NAME} ./script/fix_permissions ${APP_USER} ${APP_GROUP}