diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b6a18e0e8..64ef417f1 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,33 +1,28 @@
 repos:
--   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v3.2.0
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v3.3.0
     hooks:
-        -   id: check-docstring-first
-        -   id: check-ast
-        -   id: check-json
-        -   id: check-yaml
-        -   id: debug-statements
-        -   id: end-of-file-fixer
-        -   id: trailing-whitespace
--   repo: https://github.com/ambv/black
-    rev: 19.10b0
+    - id: trailing-whitespace
+    - id: end-of-file-fixer
+    - id: check-docstring-first
+    - id: check-yaml
+    - id: debug-statements
+    - id: check-ast
+  - repo: https://github.com/ambv/black
+    rev: 20.8b1
     hooks:
     - id: black
-      language_version: python3.7
--   repo: https://github.com/asottile/pyupgrade
-    rev: v2.7.2
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v2.7.3
     hooks:
-    -   id: pyupgrade
-        args: ['--py36-plus']
--   repo: https://github.com/asottile/seed-isort-config
-    rev: v2.2.0
+    - id: pyupgrade
+      args: ['--py36-plus']
+  - repo: https://github.com/timothycrosley/isort
+    rev: 5.6.4
     hooks:
-    -   id: seed-isort-config
--   repo: https://github.com/pre-commit/mirrors-isort
-    rev: v5.3.2
+    - id: isort
+  - repo: https://gitlab.com/pycqa/flake8
+    rev: 3.8.4
     hooks:
-    -   id: isort
--   repo: https://gitlab.com/pycqa/flake8
-    rev: 3.8.3
-    hooks:
-    -   id: flake8
+    - id: flake8
+      args: ['--config=tox.ini']
diff --git a/adaptive/tests/test_cquad.py b/adaptive/tests/test_cquad.py
index 1d4ee751b..b1b0b3be1 100644
--- a/adaptive/tests/test_cquad.py
+++ b/adaptive/tests/test_cquad.py
@@ -242,7 +242,7 @@ def test_approximating_intervals():
 @pytest.mark.xfail
 def test_removed_choose_mutiple_points_at_once():
     """Given that a high-precision interval that was split into 2 low-precision ones,
-       we should use the high-precision interval.
+    we should use the high-precision interval.
     """
     learner = IntegratorLearner(np.exp, bounds=(0, 1), tol=1e-15)
     n = ns[-1] + 2 * (ns[0] - 2)  # first + two children (33+6=39)
diff --git a/adaptive/tests/test_learners.py b/adaptive/tests/test_learners.py
index 6e4c4e419..98fc2c036 100644
--- a/adaptive/tests/test_learners.py
+++ b/adaptive/tests/test_learners.py
@@ -626,6 +626,6 @@ def test_convergence_for_arbitrary_ordering(learner_type, f, learner_kwargs):
 @run_with(Learner1D, Learner2D, LearnerND)
 def test_learner_subdomain(learner_type, f, learner_kwargs):
     """Learners that never receive data outside of a subdomain should
-       perform 'similarly' to learners defined on that subdomain only."""
+    perform 'similarly' to learners defined on that subdomain only."""
     # XXX: not sure how to implement this. How do we measure "performance"?
     raise NotImplementedError()
diff --git a/adaptive/tests/test_pickling.py b/adaptive/tests/test_pickling.py
index d648c90e0..a8a7d8e6a 100644
--- a/adaptive/tests/test_pickling.py
+++ b/adaptive/tests/test_pickling.py
@@ -86,9 +86,7 @@ def balancing_learner(f, learner_type, learner_kwargs):
 ]
 
 
-@pytest.mark.parametrize(
-    "learner_type, learner_kwargs, serializer, f", learners,
-)
+@pytest.mark.parametrize("learner_type, learner_kwargs, serializer, f", learners)
 def test_serialization_for(learner_type, learner_kwargs, serializer, f):
     """Test serializing a learner using different serializers."""
 
diff --git a/adaptive/tests/test_skopt_learner.py b/adaptive/tests/test_skopt_learner.py
index caa9cb3dc..191df7970 100644
--- a/adaptive/tests/test_skopt_learner.py
+++ b/adaptive/tests/test_skopt_learner.py
@@ -12,7 +12,7 @@
 @pytest.mark.skipif(not with_scikit_optimize, reason="scikit-optimize is not installed")
 def test_skopt_learner_runs():
     """The SKOptLearner provides very few guarantees about its
-       behaviour, so we only test the most basic usage
+    behaviour, so we only test the most basic usage
     """
 
     def g(x, noise_level=0.1):
@@ -28,8 +28,8 @@ def g(x, noise_level=0.1):
 @pytest.mark.skipif(not with_scikit_optimize, reason="scikit-optimize is not installed")
 def test_skopt_learner_4D_runs():
     """The SKOptLearner provides very few guarantees about its
-       behaviour, so we only test the most basic usage
-       In this case we test also for 4D domain
+    behaviour, so we only test the most basic usage
+    In this case we test also for 4D domain
     """
 
     def g(x, noise_level=0.1):
diff --git a/tox.ini b/tox.ini
index f703ec51c..aea858d25 100644
--- a/tox.ini
+++ b/tox.ini
@@ -60,9 +60,4 @@ select = B, C, E, F, W, T4, B9
 exclude = .git, .tox, __pycache__, dist
 
 [isort]
-multi_line_output=3
-include_trailing_comma=True
-force_grid_wrap=0
-use_parentheses=True
-line_length=88
-known_third_party=PIL,atomicwrites,flaky,holoviews,matplotlib,nbconvert,numpy,pytest,scipy,setuptools,skopt,sortedcollections,sortedcontainers
+profile=black