diff --git a/docs/examples-other/chained-factories.rst b/docs/examples-other/chained-factories.rst
index 0bec024e..4106e6e1 100644
--- a/docs/examples-other/chained-factories.rst
+++ b/docs/examples-other/chained-factories.rst
@@ -19,7 +19,7 @@ additional arguments.
    )
 
 
-   if __name__ == '__main__':
+   if __name__ == "__main__":
        instance = concrete_factory()
        # Same as: # instance = SomeClass(base_argument=1, extra_argument=2)
 
@@ -43,21 +43,21 @@ Passing of the arguments works the same way like for any other :ref:`factory-pro
        providers.Factory(dict, arg1=1),
        arg2=2,
    )
-   print(chained_dict_factory())  # prints: {'arg1': 1, 'arg2': 2}
+   print(chained_dict_factory())  # prints: {"arg1": 1, "arg2": 2}
 
    # 2. Keyword arguments of upper level factory have priority
    chained_dict_factory = providers.Factory(
        providers.Factory(dict, arg1=1),
        arg1=2,
    )
-   print(chained_dict_factory())  # prints: {'arg1': 2}
+   print(chained_dict_factory())  # prints: {"arg1": 2}
 
    # 3. Keyword arguments provided from context have the most priority
    chained_dict_factory = providers.Factory(
        providers.Factory(dict, arg1=1),
        arg1=2,
    )
-   print(chained_dict_factory(arg1=3))  # prints: {'arg1': 3}
+   print(chained_dict_factory(arg1=3))  # prints: {"arg1": 3}
 
 
 Credits
diff --git a/docs/examples-other/factory-of-factories.rst b/docs/examples-other/factory-of-factories.rst
index 6cc71aa3..bb45faba 100644
--- a/docs/examples-other/factory-of-factories.rst
+++ b/docs/examples-other/factory-of-factories.rst
@@ -20,7 +20,7 @@ additional arguments.
    )
 
 
-   if __name__ == '__main__':
+   if __name__ == "__main__":
        instance = concrete_factory()
        # Same as: # instance = SomeClass(base_argument=1, extra_argument=2)
 
@@ -46,7 +46,7 @@ Passing of the arguments works the same way like for any other :ref:`factory-pro
        arg1=1,
    )
    dict_factory = factory_of_dict_factories(arg2=2)
-   print(dict_factory())  # prints: {'arg1': 1, 'arg2': 2}
+   print(dict_factory())  # prints: {"arg1": 1, "arg2": 2}
 
    # 2. Keyword arguments of upper level factory have priority
    factory_of_dict_factories = providers.Factory(
@@ -55,7 +55,7 @@ Passing of the arguments works the same way like for any other :ref:`factory-pro
        arg1=1,
    )
    dict_factory = factory_of_dict_factories(arg1=2)
-   print(dict_factory())  # prints: {'arg1': 2}
+   print(dict_factory())  # prints: {"arg1": 2}
 
    # 3. Keyword arguments provided from context have the most priority
    factory_of_dict_factories = providers.Factory(
@@ -64,7 +64,7 @@ Passing of the arguments works the same way like for any other :ref:`factory-pro
        arg1=1,
    )
    dict_factory = factory_of_dict_factories(arg1=2)
-   print(dict_factory(arg1=3))  # prints: {'arg1': 3}
+   print(dict_factory(arg1=3))  # prints: {"arg1": 3}
 
 Credits
 -------
diff --git a/docs/providers/configuration.rst b/docs/providers/configuration.rst
index e5c3e1ae..0cd66e0b 100644
--- a/docs/providers/configuration.rst
+++ b/docs/providers/configuration.rst
@@ -91,7 +91,7 @@ To use another loader use ``loader`` argument:
    import yaml
 
 
-   container.config.from_yaml('config.yml', loader=yaml.UnsafeLoader)
+   container.config.from_yaml("config.yml", loader=yaml.UnsafeLoader)
 
 .. note::
 
@@ -123,7 +123,7 @@ If you need to pass an argument to this call, use ``.from_pydantic()`` keyword a
 
 .. code-block:: python
 
-   container.config.from_pydantic(Settings(), exclude={'optional'})
+   container.config.from_pydantic(Settings(), exclude={"optional"})
 
 .. note::
 
@@ -225,7 +225,7 @@ undefined environment variable that doesn't have a default value, pass argument
 
 .. code-block:: python
 
-   container.config.from_yaml('config.yml', envs_required=True)
+   container.config.from_yaml("config.yml", envs_required=True)
 
 See also: :ref:`configuration-strict-mode`.
 
@@ -270,13 +270,13 @@ Mandatory YAML file:
 
 .. code-block:: python
 
-   container.config.from_yaml('config.yaml', required=True)
+   container.config.from_yaml("config.yaml", required=True)
 
 Mandatory INI file:
 
 .. code-block:: python
 
-   container.config.from_ini('config.ini', required=True)
+   container.config.from_ini("config.ini", required=True)
 
 Mandatory dictionary:
 
@@ -288,7 +288,7 @@ Mandatory environment variable:
 
 .. code-block:: python
 
-   container.config.api_key.from_env('API_KEY', required=True)
+   container.config.api_key.from_env("API_KEY", required=True)
 
 See also: :ref:`configuration-strict-mode`.
 
@@ -346,16 +346,16 @@ configuration data is undefined:
        config = providers.Configuration(strict=True)
 
 
-   if __name__ == '__main__':
+   if __name__ == "__main__":
        container = Container()
 
        try:
-           container.config.from_yaml('does-not_exist.yml')  # raise exception
+           container.config.from_yaml("does-not_exist.yml")  # raise exception
        except FileNotFoundError:
            ...
 
        try:
-           container.config.from_ini('does-not_exist.ini')  # raise exception
+           container.config.from_ini("does-not_exist.ini")  # raise exception
        except FileNotFoundError:
            ...
 
@@ -365,7 +365,7 @@ configuration data is undefined:
            ...
 
        try:
-           container.config.from_env('UNDEFINED_ENV_VAR')  # raise exception
+           container.config.from_env("UNDEFINED_ENV_VAR")  # raise exception
        except ValueError:
            ...
 
@@ -385,7 +385,7 @@ an undefined environment variable without a default value.
 .. code-block:: python
 
        try:
-           container.config.from_yaml('undefined_env.yml')  # raise exception
+           container.config.from_yaml("undefined_env.yml")  # raise exception
        except ValueError:
            ...
 
@@ -398,11 +398,11 @@ You can override ``.from_*()`` methods behaviour in strict mode using ``required
        config = providers.Configuration(strict=True)
 
 
-   if __name__ == '__main__':
+   if __name__ == "__main__":
        container = Container()
 
-       container.config.from_yaml('config.yml')
-       container.config.from_yaml('config.local.yml', required=False)
+       container.config.from_yaml("config.yml")
+       container.config.from_yaml("config.local.yml", required=False)
 
 You can also use ``.required()`` option modifier when making an injection. It does not require to switch
 configuration provider to strict mode.
diff --git a/docs/providers/dict.rst b/docs/providers/dict.rst
index bf62c4e6..526a176a 100644
--- a/docs/providers/dict.rst
+++ b/docs/providers/dict.rst
@@ -23,8 +23,8 @@ To use non-string keys or keys with ``.`` and ``-`` provide a dictionary as a po
 
    providers.Dict({
        SomeClass: providers.Factory(...),
-       'key.with.periods': providers.Factory(...),
-       'key-with-dashes': providers.Factory(...),
+       "key.with.periods": providers.Factory(...),
+       "key-with-dashes": providers.Factory(...),
    })
 
 Example:
diff --git a/docs/providers/typing_mypy.rst b/docs/providers/typing_mypy.rst
index f108a77a..9c033478 100644
--- a/docs/providers/typing_mypy.rst
+++ b/docs/providers/typing_mypy.rst
@@ -30,7 +30,7 @@ IDE.
    provider = providers.Factory(Cat)
 
 
-   if __name__ == '__main__':
+   if __name__ == "__main__":
        animal = provider()  # mypy knows that animal is of type "Cat"
 
 
@@ -54,5 +54,5 @@ function or method.
    provider: providers.Provider[Animal] = providers.Factory(Cat)
 
 
-   if __name__ == '__main__':
+   if __name__ == "__main__":
        animal = provider()  # mypy knows that animal is of type "Animal"