[ci] Partial revert of 18eec3a984 due to fbc5bf10cf

.circleci/config.yml

@@ -85,6 +85,8 @@ jobs:
         parallelism: 1
         steps:
             - checkout
+            # we need a version of isort with https://github.com/timothycrosley/isort/pull/1000
+            - run: sudo pip install git+git://github.com/timothycrosley/isort.git@e63ae06ec7d70b06df9e528357650281a3d3ec22#egg=isort
             - run: sudo pip install .[tf,torch,quality]
             - run: black --check --line-length 119 --target-version py35 examples templates tests src utils
             - run: isort --check-only --recursive examples templates tests src utils