Update tariff_scraper.py

tariff_scraper.py

@@ -48,8 +48,8 @@ def scrape_multiple_sections_to_csv(url, output_file="pesco_tariff_data.csv"):
             else:
                 df = pd.DataFrame(data)
 
-            # Ensure column names are unique
-            df.columns = pd.io.parsers.ParserBase({'names': df.columns})._maybe_dedup_names()
+            # Deduplicate column names if necessary
+            df.columns = pd.io.parsers._deduplicate(df.columns)
 
             # Add a section identifier
             df["Section"] = f"Section {i}"