
Drop the use of oslo.i18n's Message class when defining the reason argument that is passed to _refresh(). Ensuing code that _refresh() uses, in particular pymysql [1], expects a unicode str type rather than an oslo_i18n._message.Message type. [1] https://github.com/PyMySQL/PyMySQL/blob/v0.9.2/pymysql/converters.py#L68 Change-Id: Icc59edc8a91ba7ae6929e853f1bf09bd25cdc039 Closes-Bug: #1799406