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Missing PostmanMandrillTransport::PROTOCOL #31

Open NielsdeBlaauw opened 5 years ago

NielsdeBlaauw commented 5 years ago

Report from Psalm:

ERROR: UndefinedConstant - Postman/Postman-Mail/PostmanMandrillTransport.php:84:10 - Constant PostmanMandrillTransport::PROTOCOL is not defined
                return self::PROTOCOL;