diff --git a/setup.cfg b/setup.cfg
index 2817a3d2903..68fc3b6e06c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -17,11 +17,13 @@ markers =
 [flake8]
 max-line-length=88
 ignore=
+    # whitespace before ':' - doesn't work well with black
+    E203
     E402
+    # do not assign a lambda expression, use a def
     E731
-    E741
+    # line break before binary operator
     W503
-    W504
     # Unused imports; TODO: Allow typing to work without triggering errors
     F401
 exclude=
diff --git a/xarray/tests/test_dataarray.py b/xarray/tests/test_dataarray.py
index ea2f582b99c..8b63b650dc2 100644
--- a/xarray/tests/test_dataarray.py
+++ b/xarray/tests/test_dataarray.py
@@ -95,8 +95,8 @@ def test_repr_multiindex_long(self):
         Coordinates:
           * x        (x) MultiIndex
           - level_1  (x) object 'a' 'a' 'a' 'a' 'a' 'a' 'a' ... 'd' 'd' 'd' 'd' 'd' 'd'
-          - level_2  (x) int64 1 2 3 4 5 6 7 8 1 2 3 4 5 6 ... 4 5 6 7 8 1 2 3 4 5 6 7 8"""
-        )  # noqa: E501
+          - level_2  (x) int64 1 2 3 4 5 6 7 8 1 2 3 4 5 6 ... 4 5 6 7 8 1 2 3 4 5 6 7 8"""  # noqa: E501
+        )
         assert expected == repr(mda_long)
 
     def test_properties(self):
diff --git a/xarray/tests/test_variable.py b/xarray/tests/test_variable.py
index d2c5c8e4905..43551d62265 100644
--- a/xarray/tests/test_variable.py
+++ b/xarray/tests/test_variable.py
@@ -101,7 +101,7 @@ def test_getitem_1d_fancy(self):
         ind = Variable(("a", "b"), [[0, 1], [0, 1]])
         v_new = v[ind]
         assert v_new.dims == ("a", "b")
-        expected = np.array(v._data)[([0, 1], [0, 1]),]
+        expected = np.array(v._data)[([0, 1], [0, 1]),]  # noqa
         assert_array_equal(v_new, expected)
 
         # boolean indexing