Fix mismatch of empty headers at end of data

ledenlijst.py

@@ -270,9 +270,10 @@ def read_xls(f):
         logger.critical("Last row in first column is not an integer. Please contact the ICT-team.")
         sys.exit(1)
     # Confirm first row matches with expectations
-    if sheet.row_values(0) != EXPECTED_HEADERS:
-        logger.critical("First row does not match expectations, possible format-change. Please contact the ICT-team if you are not completely sure what to do.")
-        sys.exit(1)
+    for header_expected, header in zip(EXPECTED_HEADERS, sheet.row_values(0)):
+        if header_expected != header:
+            logger.critical("First row does not match expectations, possible format-change. Please contact the ICT-team if you are not completely sure what to do.")
+            sys.exit(1)
     if sheet.nrows not in range(4000,7000):
         logger.critical("Total number of rows very different from hardcoded safeguard. Please contact the ICT-team.")
         sys.exit(1)