Writes the given data structure out as TOML.

def write_toml(self, data, path=None):
        """Writes the given data structure out as TOML."""
        if path is None:
            path = self.pipfile_location
        data = convert_toml_outline_tables(data)
        try:
            formatted_data = tomlkit.dumps(data).rstrip()
        except Exception:
            document = tomlkit.document()
            for section in ("packages", "dev-packages"):
                document[section] = tomlkit.container.Table()
                # Convert things to inline tables — fancy :)
                for package in data.get(section, {}):
                    if hasattr(data[section][package], "keys"):
                        table = tomlkit.inline_table()
                        table.update(data[section][package])
                        document[section][package] = table
                    else:
                        document[section][package] = tomlkit.string(data[section][package])
            formatted_data = tomlkit.dumps(document).rstrip()

        if (
            vistir.compat.Path(path).absolute()
            == vistir.compat.Path(self.pipfile_location).absolute()
        ):
            newlines = self._pipfile_newlines
        else:
            newlines = DEFAULT_NEWLINES
        formatted_data = cleanup_toml(formatted_data)
        with io.open(path, "w", newline=newlines) as f:
            f.write(formatted_data)
        # pipfile is mutated!
        self.clear_pipfile_cache()