Fix minor issues

Author: phumthep

pyproject.toml

@@ -21,7 +21,7 @@ dependencies = [
     "highspy >= 1.7.2",
     "matplotlib >= 3.7.1",
     "networkx >= 3.1.0",
-    "numpy == 2.2.0",
+    "numpy >= 2.2.0",
     "pandas >= 2.1.1",
     "pmdarima >= 2.0.4",
     "scipy >= 1.11.3",

src/pownet/core/__init__.py

@@ -1,5 +1,4 @@
-""" This is the core module.
-"""
+"""This is the core module."""
 
 from .builder import ModelBuilder
 from .input import SystemInput
@@ -8,3 +7,14 @@
 from .record import SystemRecord
 from .simulation import Simulator
 from .data_processor import DataProcessor
+
+__all__ = [
+    "Simulator",
+    "SystemInput",
+    "OutputProcessor",
+    "SystemRecord",
+    "DataProcessor",
+    "ModelBuilder",
+    "Visualizer",
+    "UserConstraint",
+]