Update black to 25.9.0

We update black formatter to the latest version for better
maintainability in the future. In particular, we want to avoid big jumps
in formatting with future versions.

Author: mristin

icontract/_checkers.py

@@ -1,4 +1,5 @@
 """Provide functions to add/find contract checkers."""
+
 import contextvars
 import functools
 import inspect
@@ -1289,15 +1290,21 @@ def add_invariant_checks(cls: ClassT) -> None:
 
     for name, prop in names_properties:
         new_prop = property(
-            fget=_decorate_with_invariants(func=prop.fget, is_init=False)
-            if prop.fget
-            else None,
-            fset=_decorate_with_invariants(func=prop.fset, is_init=False)
-            if prop.fset
-            else None,
-            fdel=_decorate_with_invariants(func=prop.fdel, is_init=False)
-            if prop.fdel
-            else None,
+            fget=(
+                _decorate_with_invariants(func=prop.fget, is_init=False)
+                if prop.fget
+                else None
+            ),
+            fset=(
+                _decorate_with_invariants(func=prop.fset, is_init=False)
+                if prop.fset
+                else None
+            ),
+            fdel=(
+                _decorate_with_invariants(func=prop.fdel, is_init=False)
+                if prop.fdel
+                else None
+            ),
             doc=prop.__doc__,
         )
         setattr(cls, name, new_prop)

icontract/_decorators.py

@@ -1,4 +1,5 @@
 """Define public decorators."""
+
 import inspect
 import reprlib
 import traceback

icontract/_metaclass.py

@@ -1,4 +1,5 @@
 """Define the metaclass necessary to inherit the contracts from the base classes."""
+
 import abc
 import inspect
 import sys

icontract/_represent.py

@@ -1,4 +1,5 @@
 """Handle representations necessary for informative error messages."""
+
 import ast
 import inspect
 import re
@@ -405,7 +406,7 @@ def find_lambda_condition(
 
 
 def inspect_lambda_condition(
-    condition: Callable[..., Any]
+    condition: Callable[..., Any],
 ) -> Optional[ConditionLambdaInspection]:
     """
     Try to extract the source code of the condition as lambda.

icontract/_types.py

@@ -1,4 +1,5 @@
 """Define data structures shared among the modules."""
+
 import enum
 import inspect
 import reprlib

setup.py

@@ -4,6 +4,7 @@
 https://packaging.python.org/en/latest/distributing.html
 https://github.com/pypa/sampleproject
 """
+
 import os
 import sys
 
@@ -67,7 +68,7 @@
             "astor==0.8.1",
             "numpy>=1,<2",
             'mypy==1.5.1;python_version>="3.8"',
-            'black==23.9.1;python_version>="3.8"',
+            'black==25.9.0;python_version>="3.8"',
             'deal>=4,<5;python_version>="3.8"',
             'asyncstdlib==3.9.1;python_version>="3.8"',
         ]

tests/mock.py

@@ -1,4 +1,5 @@
 """Provide mock structures used accross the tests."""
+
 from typing import List, Union