Error ByteIO about svglib HOT 3 OPEN

        if iri:
            import io
            # Only local relative paths and BytesIO objects are supported
            if not isinstance(self.source_path, (str, io.BytesIO)):
                logger.error(
                    "Unable to resolve image path %r as the SVG source is not "
                    "a file system path or BytesIO object.",
                    iri
                )
                return None
            
            if isinstance(self.source_path, str):
                path = os.path.normpath(os.path.join(os.path.dirname(self.source_path), iri))
                if not os.access(path, os.R_OK):
                    return None
                if path == self.source_path:
                    # Self-referencing, ignore the IRI part
                    iri = None
            else:
                # self.source_path is of type io.BytesIO
                # We need to read the data from BytesIO object so that it can be accessed like a regular file system path.
                try:
                    path = self.source_path.name
                except AttributeError:
                    path = '<BytesIO>'
                with open(path, 'wb') as f:
                    f.write(self.source_path.read())
                
                path = os.path.normpath(os.path.join(os.path.dirname(path), iri))
                if path == '<BytesIO>':
                    iri = None
                elif not os.access(path, os.R_OK):
                    return None