👷 change img to python3.9 in config.yml

.circleci/config.yml

@@ -3,7 +3,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: circleci/python:latest
+      - image: circleci/python:3.9
         auth:
           username: $DOCKER_ID
           password: $DOCKER_PASSWORD
@@ -13,7 +13,7 @@ jobs:
           CONDUIT_SECRET: $CONDUIT_SECRET
           FLASK_APP: ~/autoapp.py
           FLASK_DEBUG: 1
-      - image: circleci/postgres:9.6.2-alpine
+      - image: circleci/postgres:9.6.2
         auth:
           username: $DOCKER_ID
           password: $DOCKER_PASSWORD
@@ -24,7 +24,7 @@ jobs:
     steps:
       - checkout
       - run: sudo chown -R circleci:circleci /usr/local/bin
-      - run: sudo chown -R circleci:circleci /usr/local/lib/python3.6/site-packages
+      - run: sudo chown -R circleci:circleci /usr/local/lib/python3.9/site-packages
       - restore_cache:
           key: deps9-{{ .Branch }}-{{ checksum "Pipfile.lock" }}
       - run: