isort: format codebase

Change-Id: I6f11d123b68fd077f558d3c21349c55c5f251019
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/383715
Reviewed-by: Gavin Mak <gavinmak@google.com>
Tested-by: Mike Frysinger <vapier@google.com>
Commit-Queue: Mike Frysinger <vapier@google.com>

tests/test_error.py

@@ -18,13 +18,14 @@ import inspect
 import pickle
 import unittest
 
-import error
-import project
-import git_command
-import fetch
 import command
+import error
+import fetch
+import git_command
+import project
 from subcmds import all_modules
 
+
 imports = all_modules + [
     error,
     project,

tests/test_git_command.py

@@ -14,11 +14,12 @@
 
 """Unittests for the git_command.py module."""
 
-import re
 import os
+import re
 import subprocess
 import unittest
 
+
 try:
     from unittest import mock
 except ImportError:

tests/test_git_superproject.py

@@ -21,10 +21,11 @@ import tempfile
 import unittest
 from unittest import mock
 
+from test_manifest_xml import sort_attributes
+
 import git_superproject
 import git_trace2_event_log
 import manifest_xml
-from test_manifest_xml import sort_attributes
 
 
 class SuperprojectTestCase(unittest.TestCase):

tests/test_hooks.py

@@ -14,9 +14,10 @@
 
 """Unittests for the hooks.py module."""
 
-import hooks
 import unittest
 
+import hooks
+
 
 class RepoHookShebang(unittest.TestCase):
     """Check shebang parsing in RepoHook."""

tests/test_project.py

@@ -22,9 +22,9 @@ import tempfile
 import unittest
 
 import error
-import manifest_xml
 import git_command
 import git_config
+import manifest_xml
 import platform_utils
 import project
 

tests/test_subcmds_sync.py

@@ -16,16 +16,17 @@
 import os
 import shutil
 import tempfile
-import unittest
 import time
+import unittest
 from unittest import mock
 
 import pytest
 
 import command
-from subcmds import sync
+from error import GitError
+from error import RepoExitError
 from project import SyncNetworkHalfResult
-from error import GitError, RepoExitError
+from subcmds import sync
 
 
 @pytest.mark.parametrize(

tests/test_subcmds_upload.py

@@ -17,8 +17,9 @@
 import unittest
 from unittest import mock
 
+from error import GitError
+from error import UploadError
 from subcmds import upload
-from error import UploadError, GitError
 
 
 class UnexpectedError(Exception):