fixing bugs with ci pipeline

backend/app/services/spreadsheet_service.py

@@ -1,7 +1,7 @@
 import logging
 import openpyxl
 from pydantic import ValidationError
-from typing import Union, List, Tuple
+from typing import List, Tuple
 from io import BytesIO
 from app.sample_models import SpreadsheetModel
 
@@ -201,7 +201,8 @@ class SampleSpreadsheetImporter:
                 for error in e.errors():
                     field = error["loc"][0]
                     msg = error["msg"]
-                    # Map field name (which is the key in `record`) to its index in the row
+                    # Map field name (which is the key in `record`) to its index in the
+                    # row
                     field_to_col = {
                         "dewarname": 0,
                         "puckname": 1,