diff --git a/setup.cfg b/setup.cfg
index e3d4d5c..764020d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -11,12 +11,12 @@ addopts =
   --no-cov-on-fail
 
 [flake8]
-# E731: Use a def instead of lambda expr
-# E743: Ambiguous function definition
-ignore = E731, E743
-# E503: Line break occurred before a binary operator
-extend-ignore = E203, W503
+application-import-names = tests,vdirsyncer
+extend-ignore =
+  E203,  # Black-incompatible colon spacing.
+  W503,  # Line jump before binary operator.
+  I100,
+  I202
 max-line-length = 88
-select = C,E,F,W,B,B9
-exclude = .eggs, tests/storage/servers/owncloud/, tests/storage/servers/nextcloud/, tests/storage/servers/baikal/, build/
-application-package-names = tests,vdirsyncer
+exclude = .eggs,build
+import-order-style = smarkets
diff --git a/vdirsyncer/storage/google.py b/vdirsyncer/storage/google.py
index abdb63d..09d3535 100644
--- a/vdirsyncer/storage/google.py
+++ b/vdirsyncer/storage/google.py
@@ -42,8 +42,7 @@ class GoogleSession(dav.DAVSession):
 
         token_file = expand_path(token_file)
         ui_worker = get_ui_worker()
-        f = lambda: self._init_token(token_file, client_id, client_secret)
-        ui_worker.put(f)
+        ui_worker.put(lambda: self._init_token(token_file, client_id, client_secret))
 
     def _init_token(self, token_file, client_id, client_secret):
         token = None
diff --git a/vdirsyncer/sync/__init__.py b/vdirsyncer/sync/__init__.py
index aa8c1f4..286c66c 100644
--- a/vdirsyncer/sync/__init__.py
+++ b/vdirsyncer/sync/__init__.py
@@ -127,9 +127,9 @@ def sync(
         raise BothReadOnly()
 
     if conflict_resolution == "a wins":
-        conflict_resolution = lambda a, b: a
+        conflict_resolution = lambda a, b: a  # noqa: E731
     elif conflict_resolution == "b wins":
-        conflict_resolution = lambda a, b: b
+        conflict_resolution = lambda a, b: b  # noqa: E731
 
     status_nonempty = bool(next(status.iter_old(), None))