Update app.py

app.py

@@ -4,6 +4,7 @@ import pandas as pd
 import matplotlib.pyplot as plt 
 import joblib 
 import json
+import traceback
 
 from numericselector import NumericSelector
 
@@ -25,7 +26,7 @@ def final_clustering(file, top_features):
         X_pca = core_pipeline.fit_transform(df)
 
         # debug
-        if not hasattr(core_pipeline.named_steps["numericselector"], "numeric_cols_"):
+        if not hasattr(core_pipeline.named_steps["numeric_selector"], "numeric_cols_"):
             raise RuntimeError("Pipeline was not fitted before transform")
     
         # dynamic `k` selection