Upgrade isort in pre-commit hook (#70)

.pre-commit-config.yaml

@@ -4,12 +4,8 @@ repos:
     rev: 3.8.3
     hooks:
       - id: flake8
-  - repo: https://github.com/asottile/seed-isort-config
-    rev: v2.2.0
-    hooks:
-      - id: seed-isort-config
-  - repo: https://github.com/timothycrosley/isort
-    rev: 4.3.21
+  - repo: https://github.com/PyCQA/isort
+    rev: 5.10.1
     hooks:
       - id: isort
   - repo: https://github.com/pre-commit/mirrors-yapf

setup.cfg

@@ -12,7 +12,7 @@ split_before_expression_after_opening_paren = true
 [isort]
 line_length = 79
 multi_line_output = 0
-known_standard_library = pkg_resources,setuptools
+extra_standard_library = pkg_resources,setuptools
 known_first_party = mmrazor
 known_third_party=cv2,mmcls,mmcv,mmdet,mmseg,numpy,ordered_set,packaging,pytest,pytorch_sphinx_theme,torch,yaml
 no_lines_before = STDLIB,LOCALFOLDER