pre-commit: use isort seeder

.pre-commit-config.yaml

@@ -4,6 +4,10 @@ repos:
     language_version: python3
   repo: https://github.com/ambv/black
   rev: 19.10b0
+-   repo: https://github.com/asottile/seed-isort-config
+    rev: v2.1.1
+    hooks:
+    -   id: seed-isort-config
 - hooks:
   - id: isort
     language_version: python3

setup.cfg

@@ -12,6 +12,6 @@ select=B,C,E,F,W,T4,B9
 [isort]
 include_trailing_comma=true
 known_first_party=dvc,tests
-known_third_party=git
+known_third_party=PyInstaller,RangeHTTPServer,boto3,bs4,colorama,configobj,distro,dpath,flaky,flufl,funcy,git,google,grandalf,mock,mockssh,moto,nanotime,packaging,paramiko,pathspec,pytest,requests,ruamel,setuptools,shortuuid,tqdm,voluptuous,yaml,zc
 line_length=79
 multi_line_output=3