Update src/streamlit_app.py

src/streamlit_app.py

@@ -7,6 +7,7 @@ from statsmodels.stats.outliers_influence import variance_inflation_factor
 from sklearn.model_selection import train_test_split
 from sklearn.preprocessing import StandardScaler
 from sklearn.metrics import accuracy_score, classification_report, roc_curve, roc_auc_score, confusion_matrix
+import os
 
 os.environ["STREAMLIT_BROWSER_GATHER_USAGE_STATS"] = "false"
 os.environ["STREAMLIT_METRICS_ENABLED"] = "false"