Update data_clean_simple.py

data_clean_simple.py

@@ -61,6 +61,8 @@ def clean_data(file_path, progress_callback=None):
 
     suggestions_log = []
 
+    total_columns = len(df.columns)
+
     # Convert column types
     for i, col in enumerate(df.columns):
         # Update progress if callback provided