Machine Learning Python utils:
metrics_utils.py: functions for metrics calculation;lightgbm_utils.py: LightGBM functions (cross-validation with Out Of Fold predictions and etc.);blending_utils.py: function for blending predictions;feature_processing_utils.py: functions for feature processing (clean, label encoding, aggregates and etc.);text_processing_utils.py: functions for russian text processing (lemmatization, stemming, feature engineering);pytesseract_ocr_utils.py: methods for text recognition using pytesseract (preprocessing, text recognition);face_recognition_utils.py: methods for face recognition using face_recognition (knn model for new faces);plotting_utils.py: functions for plotting.