diff --git a/pyproject.toml b/pyproject.toml
index 835ccc9..4d2587b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "victron_shedule_generator"
-version = "0.1.0"
+version = "0.1.1"
 description = "Victron/PG price tools"
 readme = "README.md"
 requires-python = ">=3.9"
@@ -14,10 +14,6 @@ dependencies = [
   "psycopg[binary,pool]>=3.2",
 ]
 
-#[project.scripts]
-#victron-fill = "yourpkg.cli:main"      # `victron-fill ...`
-
-# (opcjonalnie) „extras”: pip install yourpkg[pg,dev]
 [project.optional-dependencies]
 pg = ["psycopg[binary]>=3.2"]
 dev = ["black", "ruff", "pytest"]
diff --git a/src/victron_energy_price_calculator/DistributionCost.py b/src/victron_energy_price_calculator/DistributionCost.py
index a72373e..31f6421 100644
--- a/src/victron_energy_price_calculator/DistributionCost.py
+++ b/src/victron_energy_price_calculator/DistributionCost.py
@@ -3,7 +3,7 @@ from dataclasses import dataclass
 from datetime import datetime
 import zoneinfo
 
-from utils.time import WARSAW_TZ
+from .utils.time import WARSAW_TZ
 
 @dataclass
 class DistributionCostBase:
diff --git a/src/victron_energy_price_calculator/DistributionCostFactory.py b/src/victron_energy_price_calculator/DistributionCostFactory.py
index 4c17dfe..3cea898 100644
--- a/src/victron_energy_price_calculator/DistributionCostFactory.py
+++ b/src/victron_energy_price_calculator/DistributionCostFactory.py
@@ -2,7 +2,7 @@ from __future__ import annotations
 import importlib
 from typing import Any, Type, cast
 
-from DistributionCost import DistributionCostBase
+from .DistributionCost import DistributionCostBase
 
 def create(name: str, /, **kwargs: Any) -> DistributionCostBase:
     """
diff --git a/src/victron_energy_price_calculator/EnergyPrice.py b/src/victron_energy_price_calculator/EnergyPrice.py
index fb39565..d9106fe 100644
--- a/src/victron_energy_price_calculator/EnergyPrice.py
+++ b/src/victron_energy_price_calculator/EnergyPrice.py
@@ -3,7 +3,7 @@ from __future__ import annotations
 from dataclasses import dataclass
 from datetime import datetime
 import zoneinfo
-from utils.time import WARSAW_TZ
+from .utils.time import WARSAW_TZ
 
 @dataclass
 class EnergyPriceBase:
diff --git a/src/victron_energy_price_calculator/EnergyPriceFactory.py b/src/victron_energy_price_calculator/EnergyPriceFactory.py
index f1e75f9..9bb6dd8 100644
--- a/src/victron_energy_price_calculator/EnergyPriceFactory.py
+++ b/src/victron_energy_price_calculator/EnergyPriceFactory.py
@@ -2,7 +2,7 @@
 from __future__ import annotations
 import importlib
 from typing import Any, cast, Type
-from EnergyPrice import EnergyPriceBase
+from .EnergyPrice import EnergyPriceBase
 
 def create(name: str, /, **kwargs: Any) -> EnergyPriceBase:
     """
diff --git a/src/victron_energy_price_calculator/PriceCalculator.py b/src/victron_energy_price_calculator/PriceCalculator.py
index 6671da7..74258e5 100644
--- a/src/victron_energy_price_calculator/PriceCalculator.py
+++ b/src/victron_energy_price_calculator/PriceCalculator.py
@@ -1,11 +1,10 @@
 from __future__ import annotations
 
 from dataclasses import dataclass
-from datetime import datetime, timedelta, timezone, time, date
-from typing import List, Tuple, Optional, Dict, Any
+from datetime import datetime
 
-from EnergyPrice import EnergyPriceBase
-from DistributionCost import DistributionCostBase
+from .EnergyPrice import EnergyPriceBase
+from .DistributionCost import DistributionCostBase
 
 # --- Kalkulator brutto + price_components -----------------------------------
 @dataclass
diff --git a/src/victron_energy_price_calculator/VictronPriceWriter.py b/src/victron_energy_price_calculator/VictronPriceWriter.py
index 7fec872..2484de8 100644
--- a/src/victron_energy_price_calculator/VictronPriceWriter.py
+++ b/src/victron_energy_price_calculator/VictronPriceWriter.py
@@ -1,17 +1,16 @@
 from __future__ import annotations
 
-from dataclasses import dataclass, field, asdict
+from dataclasses import dataclass, field
 from datetime import datetime, timedelta, timezone, date
-from decimal import Decimal, ROUND_HALF_UP
 from typing import List, Dict, Any, Optional
 from zoneinfo import ZoneInfo
 
 import json
 import psycopg
 
-from PriceCalculator import PriceCalculator
+from .PriceCalculator import PriceCalculator
 
-from utils.time import WARSAW_TZ
+from .utils.time import WARSAW_TZ
 
 
 # --- Dataclass do insertu do victron.vrm_price_daily -------------------------