[Python API] Improve configuration files (#10960)

* [Python API] Improve configuration files

* fix config files

* update setup.cfd + change quotes

* move all codestyle checks to py_checks job

* update requirements_test.txt

* fix  codestyle according to flake-docstring

* fix

* fix mypy

* apply comments

samples/python/speech_sample/speech_sample.py

@@ -22,7 +22,7 @@ from utils import (GNA_ATOM_FREQUENCY, GNA_CORE_FREQUENCY,
 
 
 def do_inference(data: Dict[str, np.ndarray], infer_request: InferRequest, cw_l: int = 0, cw_r: int = 0) -> np.ndarray:
-    """Do a synchronous matrix inference"""
+    """Do a synchronous matrix inference."""
     frames_to_infer = {}
     result = {}