Fix distribution helper import path (#171)

* Fix distribution helper import path

* test: import distribution helper from ml module

---------

Co-authored-by: Greeniac <radhithya1991@gmail.com>

Author: charles-openclaw

tests/conftest.py

@@ -2,8 +2,10 @@
 import sys
 from pathlib import Path
 
-# Add backend directory to python path
-backend_path = Path(__file__).parent.parent / "apps" / "backend"
+# Add project and backend directories to python path
+project_path = Path(__file__).parent.parent
+backend_path = project_path / "apps" / "backend"
+sys.path.append(str(project_path))
 sys.path.append(str(backend_path))
 
 from core.container import ServiceContainer

tests/test_distribution.py

@@ -1,7 +1,7 @@
 import pandas as pd
 import pytest
 
-from apps.backend.utils.visualization.data_distribution import (
+from apps.ml.visualizations.data_distribution import (
     plot_numeric_distributions
 )