diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 980e07f9e..826c371e9 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,22 +1,21 @@
 repos:
 -   repo: https://github.com/asottile/pyupgrade
-    rev: v3.2.0
+    rev: v3.15.0
     hooks:
     -   id: pyupgrade
         args: ['--py36-plus','--exit-zero-even-if-changed']
 -   repo: https://github.com/pycqa/isort
-    rev: 5.10.1
+    rev: 5.13.2
     hooks:
       - id: isort
-        files: '.*'
-        args: ['--profile=black']
+        args: ["--profile", "black", "--filter-files"]
 -   repo: https://github.com/psf/black
-    rev: 22.10.0
+    rev: 24.1.1
     hooks:
     - id: black
       language_version: python
 -   repo: https://github.com/PyCQA/flake8
-    rev: 3.9.2
+    rev: 7.0.0
     hooks:
     - id: flake8
       # TODO: remove F40x, E772 and fix errors
@@ -26,17 +25,17 @@ repos:
         # - flake8-print
         - flake8-2020
 -   repo: https://github.com/mgedmin/check-manifest
-    rev: "0.48"
+    rev: "0.49"
     hooks:
     -   id: check-manifest
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: 'v0.982'
+    rev: 'v1.8.0'
     hooks:
     -   id: mypy
         files: '^src/'
         additional_dependencies:
           - types-attrs
 -   repo: https://github.com/pre-commit/pygrep-hooks
-    rev: v1.9.0
+    rev: v1.10.0
     hooks:
     -   id: rst-backticks
diff --git a/mypy.ini b/mypy.ini
new file mode 100644
index 000000000..8ca8d08ea
--- /dev/null
+++ b/mypy.ini
@@ -0,0 +1,5 @@
+[mypy]
+strict = True
+
+[mypy-tests.*]
+disable_error_code = ["empty-body"]
\ No newline at end of file
diff --git a/src/visions/backends/numpy/test_utils.py b/src/visions/backends/numpy/test_utils.py
index 139869862..fcfbd2c6d 100644
--- a/src/visions/backends/numpy/test_utils.py
+++ b/src/visions/backends/numpy/test_utils.py
@@ -1,6 +1,7 @@
 """
 A selection of testing utilities for visions.
 """
+
 import functools
 from typing import Callable, Dict, List, Optional, Type, Union
 
diff --git a/src/visions/backends/pandas/test_utils.py b/src/visions/backends/pandas/test_utils.py
index 09ea42f23..2d7034f55 100644
--- a/src/visions/backends/pandas/test_utils.py
+++ b/src/visions/backends/pandas/test_utils.py
@@ -1,6 +1,7 @@
 """
 A selection of testing utilities for visions.
 """
+
 import functools
 from typing import Callable, Dict, List, Optional, Type, Union
 
diff --git a/src/visions/relations/__init__.py b/src/visions/relations/__init__.py
index a28248f94..b48c2456d 100644
--- a/src/visions/relations/__init__.py
+++ b/src/visions/relations/__init__.py
@@ -1,4 +1,5 @@
 """This module contains (predefined) relations."""
+
 from visions.relations.relations import (
     IdentityRelation,
     InferenceRelation,
diff --git a/src/visions/types/type.py b/src/visions/types/type.py
index b4e6218f9..702dcf3b5 100644
--- a/src/visions/types/type.py
+++ b/src/visions/types/type.py
@@ -58,21 +58,27 @@ def relations(cls) -> RelationsIterManager:
         if cls._relations is None:
             cls._relations = RelationsIterManager(
                 [
-                    attr.evolve(
-                        r,
-                        type=cls,
-                        relationship=cls.contains_op
-                        if r.relationship is None
-                        else r.relationship,
-                    )
-                    if isinstance(r, IdentityRelation)
-                    else attr.evolve(
-                        r,
-                        type=cls,
-                        relationship=multimethod(r.relationship)
-                        if r.relationship is not None
-                        else None,
-                        transformer=multimethod(r.transformer),
+                    (
+                        attr.evolve(
+                            r,
+                            type=cls,
+                            relationship=(
+                                cls.contains_op
+                                if r.relationship is None
+                                else r.relationship
+                            ),
+                        )
+                        if isinstance(r, IdentityRelation)
+                        else attr.evolve(
+                            r,
+                            type=cls,
+                            relationship=(
+                                multimethod(r.relationship)
+                                if r.relationship is not None
+                                else None
+                            ),
+                            transformer=multimethod(r.transformer),
+                        )
                     )
                     for r in cls.get_relations()
                 ]
diff --git a/src/visions/typesets/typeset.py b/src/visions/typesets/typeset.py
index f42fa3021..2789ba8b3 100644
--- a/src/visions/typesets/typeset.py
+++ b/src/visions/typesets/typeset.py
@@ -299,7 +299,6 @@ def infer(self, data: Sequence) -> Tuple[Sequence, Any, dict]:
         return traverse_graph(data, self.root_node, self.relation_graph)
 
     def infer_type(self, data: Sequence) -> Union[T, Dict[str, T]]:
-
         """The inferred type found using all type relations.
 
         Args:
diff --git a/tests/test_typeset_external_type.py b/tests/test_typeset_external_type.py
index 726210b47..d8513d17c 100644
--- a/tests/test_typeset_external_type.py
+++ b/tests/test_typeset_external_type.py
@@ -2,6 +2,7 @@
 Test for issue 85
 https://github.com/dylan-profiler/visions/issues/85
 """
+
 import pytest
 
 from visions import VisionsTypeset