def import_var(self):
        """The tag to import.

        Returns:
            An import var.
        """
        # If the tag is dot-qualified, only import the left-most name.
        tag = self.tag.partition(".")[0] if self.tag else None
        alias = self.alias.partition(".")[0] if self.alias else None
        return ImportVar(
            tag=tag,
            is_default=self.is_default,
            alias=alias,
            transpile=self._should_transpile(self.library),
        )
The tag to import.

        Returns:
            An import var.
        
reflex/components/component.py