sort imports for all libraries starting with dvc_ as a first party (#10371)

dvc_studio_client, dvc_ssh, etc. were not properly sorted.

tests/unit/command/test_studio.py

@@ -1,9 +1,9 @@
 import pytest
-from dvc_studio_client.auth import AuthorizationExpiredError
 
 from dvc import env
 from dvc.cli import main
 from dvc.utils.studio import STUDIO_URL
+from dvc_studio_client.auth import AuthorizationExpiredError
 
 
 @pytest.fixture(autouse=True)

tests/unit/fs/test_fs.py

@@ -1,10 +1,10 @@
 import pytest
-from dvc_http import HTTPFileSystem, HTTPSFileSystem
-from dvc_s3 import S3FileSystem
-from dvc_ssh import SSHFileSystem
 
 from dvc.config import RemoteNotFoundError
 from dvc.fs import LocalFileSystem, get_cloud_fs, get_fs_cls, get_fs_config
+from dvc_http import HTTPFileSystem, HTTPSFileSystem
+from dvc_s3 import S3FileSystem
+from dvc_ssh import SSHFileSystem
 
 url_cls_pairs = [
     ("s3://bucket/path", S3FileSystem),

tests/unit/output/test_load.py

@@ -1,10 +1,10 @@
 import pytest
-from dvc_s3 import S3FileSystem
 
 from dvc import output
 from dvc.fs import LocalFileSystem
 from dvc.output import Output
 from dvc.stage import Stage
+from dvc_s3 import S3FileSystem
 
 
 @pytest.mark.parametrize(

tests/unit/remote/test_remote.py

@@ -1,8 +1,8 @@
 import pytest
-from dvc_gs import GSFileSystem
-from dvc_s3 import S3FileSystem
 
 from dvc.fs import get_cloud_fs
+from dvc_gs import GSFileSystem
+from dvc_s3 import S3FileSystem
 
 
 def test_remote_with_hash_jobs(dvc):

tests/unit/remote/test_webdav.py

@@ -1,7 +1,7 @@
 import pytest
-from dvc_webdav import WebDAVFileSystem, WebDAVSFileSystem
 
 from dvc.fs import get_cloud_fs
+from dvc_webdav import WebDAVFileSystem, WebDAVSFileSystem
 from tests.utils.asserts import issubset
 
 url_fmt = "{scheme}://{user}@example.com/public.php/webdav"

tests/unit/remote/test_webhdfs.py

@@ -1,5 +1,6 @@
 import pytest
 import requests
+
 from dvc_webhdfs import WebHDFSFileSystem
 
 host = "host"