Update tariff_scraper.py

tariff_scraper.py

@@ -44,7 +44,12 @@ def scrape_multiple_sections_to_csv(url, output_file="pesco_tariff_data.csv"):
 
             # Create a dataframe for the current table
             df = pd.DataFrame(data[1:], columns=data[0]) if len(data) > 1 else pd.DataFrame(data)
-            df["Section"] = f"Section {i}"  # Add a section label for differentiation
+
+            # Ensure column names are unique
+            df.columns = pd.io.parsers.ParserBase({'names': df.columns})._maybe_dedup_names()
+
+            # Add a section identifier
+            df["Section"] = f"Section {i}"
             all_data.append(df)
 
         # Combine all dataframes into one