style: black and flake8

Signed-off-by: F.N. Claessen <felix@seita.nl>

flexmeasures/api/common/utils/api_utils.py

@@ -1,17 +1,14 @@
 from __future__ import annotations
 
 from timely_beliefs.beliefs.classes import BeliefsDataFrame
-from typing import List, Sequence, Tuple, Union
-from datetime import datetime, timedelta
-from json import loads as parse_json, JSONDecodeError
+from typing import List, Sequence, Union
+from datetime import timedelta
 
 from flask import current_app
-from inflection import pluralize
 from numpy import array
 from psycopg2.errors import UniqueViolation
 from rq.job import Job
 from sqlalchemy.exc import IntegrityError
-import timely_beliefs as tb
 
 from flexmeasures.data import db
 from flexmeasures.data.utils import save_to_db as modern_save_to_db
@@ -83,7 +80,6 @@ def save_and_enqueue(
     forecasting_jobs: list[Job] | None = None,
     save_changed_beliefs_only: bool = True,
 ) -> ResponseTuple:
-
     # Attempt to save
     status = modern_save_to_db(
         data, save_changed_beliefs_only=save_changed_beliefs_only

flexmeasures/data/models/time_series.py

@@ -8,7 +8,6 @@
 import pandas as pd
 from sqlalchemy.ext.declarative import declared_attr
 from sqlalchemy.ext.mutable import MutableDict
-from sqlalchemy.orm import Query, Session
 from sqlalchemy.schema import UniqueConstraint
 from sqlalchemy import inspect
 import timely_beliefs as tb
@@ -20,15 +19,8 @@
 from flexmeasures.data.models.parsing_utils import parse_source_arg
 from flexmeasures.data.services.annotations import prepare_annotations_for_chart
 from flexmeasures.data.services.timerange import get_timerange
-from flexmeasures.data.queries.utils import (
-    create_beliefs_query,
-    get_belief_timing_criteria,
-    get_source_criteria,
-)
-from flexmeasures.data.services.time_series import (
-    collect_time_series_data,
-    aggregate_values,
-)
+from flexmeasures.data.queries.utils import get_source_criteria
+from flexmeasures.data.services.time_series import aggregate_values
 from flexmeasures.utils.entity_address_utils import (
     EntityAddressException,
     build_entity_address,