ci: add coverage and ruff (#1383)

* add coverage calculation and push

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* new codecov version and usage of token

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* enable ruff formatter instead of black and isort

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* apply ruff lint fixes

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* apply ruff unsafe fixes

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* add removed imports

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* runs 1 on linter issues

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* finalize linter fixes

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* Update pyproject.toml

Co-authored-by: Cesar Berrospi Ramis <75900930+ceberam@users.noreply.github.com>
Signed-off-by: Michele Dolfi <97102151+dolfim-ibm@users.noreply.github.com>

---------

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>
Signed-off-by: Michele Dolfi <97102151+dolfim-ibm@users.noreply.github.com>
Co-authored-by: Cesar Berrospi Ramis <75900930+ceberam@users.noreply.github.com>

docling/models/factories/__init__.py

@@ -9,7 +9,7 @@ from docling.models.factories.picture_description_factory import (
 logger = logging.getLogger(__name__)
 
 
-@lru_cache()
+@lru_cache
 def get_ocr_factory(allow_external_plugins: bool = False) -> OcrFactory:
     factory = OcrFactory()
     factory.load_from_plugins(allow_external_plugins=allow_external_plugins)
@@ -17,7 +17,7 @@ def get_ocr_factory(allow_external_plugins: bool = False) -> OcrFactory:
     return factory
 
 
-@lru_cache()
+@lru_cache
 def get_picture_description_factory(
     allow_external_plugins: bool = False,
 ) -> PictureDescriptionFactory: