python: Reorder imports with isort

Related to T2610

swh/lister/cran/__init__.py

@@ -4,8 +4,8 @@
 
 
 def register():
-    from .models import CRANModel
     from .lister import CRANLister
+    from .models import CRANModel
 
     return {
         "models": [CRANModel],

swh/lister/cran/lister.py

@@ -5,17 +5,15 @@
 
 import json
 import logging
-import pkg_resources
 import subprocess
-
 from typing import List, Mapping, Tuple
 
-from swh.lister.cran.models import CRANModel
+import pkg_resources
 
 from swh.lister.core.simple_lister import SimpleLister
+from swh.lister.cran.models import CRANModel
 from swh.scheduler.utils import create_task_dict
 
-
 logger = logging.getLogger(__name__)
 
 

swh/lister/cran/tests/test_lister.py

@@ -4,12 +4,12 @@
 # See top-level LICENSE file for more information
 
 import json
-import pytest
-
 from os import path
 from unittest.mock import patch
 
-from swh.lister.cran.lister import compute_origin_urls, CRAN_MIRROR
+import pytest
+
+from swh.lister.cran.lister import CRAN_MIRROR, compute_origin_urls
 
 
 def test_cran_compute_origin_urls():