fix: Create Visualizer from a copy of the regressor to prevent update…

…s to original regressor

.pre-commit-config.yaml

@@ -1,17 +1,17 @@
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.3.0
+    rev: v4.6.0
     hooks:
       - id: check-yaml
       - id: end-of-file-fixer
       - id: trailing-whitespace
   - repo: https://github.com/pycqa/isort
-    rev: 5.12.0
+    rev: 5.13.2
     hooks:
       - id: isort
         args: [--settings-path, pyproject.toml]
   - repo: https://github.com/psf/black
-    rev: 22.6.0
+    rev: 24.4.2
     hooks:
       - id: black
         args: [--config, pyproject.toml]

CHANGELOG.md

@@ -1,3 +1,8 @@
+## neptune-sklearn 2.1.4
+
+### Fixes
+- `create_feature_importance_chart()` now does not update the original coefficients of the regressor ([#29](https://github.com/neptune-ai/neptune-sklearn/pull/29))
+
 ## neptune-sklearn 2.1.3
 
 ### Fixes

src/neptune_sklearn/impl/__init__.py

@@ -86,6 +86,7 @@
     )
     from neptune.new.utils import stringify_unsupported
 
+from copy import deepcopy
 from warnings import warn
 
 
@@ -628,7 +629,7 @@ def create_feature_importance_chart(regressor, X_train, y_train):
 
     try:
         fig, ax = plt.subplots()
-        visualizer = FeatureImportances(regressor, is_fitted=True, ax=ax)
+        visualizer = FeatureImportances(deepcopy(regressor), is_fitted=True, ax=ax)
         visualizer.fit(X_train, y_train)
         visualizer.finalize()