Merge branch 'revert-d902fcf6' into 'master'

Revert "Merge branch 'auction_flag' into 'master'"

See merge request cdb/openprocurement.api!250

Author: Serhij Andreev

src/openprocurement/tender/core/validation.py

@@ -191,7 +191,7 @@ def validate_tender_auction_data(request):
         if (
             SANDBOX_MODE
             and tender.submissionMethodDetails
-            and tender.submissionMethodDetails.endswith((u"quick(mode:no-auction)", u"quick(mode:fast-forward)"))
+            and tender.submissionMethodDetails in [u"quick(mode:no-auction)", u"quick(mode:fast-forward)"]
         ):
             if tender.lots:
                 data["lots"] = [