def unIndentBlock(block):
            currentIndent = blockIndentation(block)

            if currentIndent.endswith('\t'):
                charsToRemove = 1
            elif withSpace:
                charsToRemove = 1 if currentIndent else 0
            else:
                if self.useTabs:
                    charsToRemove = min(spacesCount(currentIndent), self.width)
                else:  # spaces
                    if currentIndent.endswith(self.text()):  # remove indent level
                        charsToRemove = self.width
                    else:  # remove all spaces
                        charsToRemove = min(spacesCount(currentIndent), self.width)

            if charsToRemove:
                cursor = cursorAtSpaceEnd(block)
                cursor.setPosition(cursor.position() - charsToRemove, QTextCursor.KeepAnchor)
                cursor.removeSelectedText()
def system_error(self,
                     error_msg,
                     error_code="",
                     reviewing_user=None,
                     reviewing_service=""):
        """
        Mark that this attempt could not be completed because of a system error.
        Status should be moved to `must_retry`. For example, if Software Secure
        reported to us that they couldn't process our submission because they
        couldn't decrypt the image we sent.
        """
        if self.status in ["approved", "denied"]:
            return  # If we were already approved or denied, just leave it.

        self.error_msg = error_msg
        self.error_code = error_code
        self.reviewing_user = reviewing_user
        self.reviewing_service = reviewing_service
        self.status = "must_retry"
        self.save()