Method __delitem__

src/client/typing/header.rs:176–178

(&mut self, py: Python, key: PyBackedStr)

    #[inline]
    fn __delitem__(&mut self, py: Python, key: PyBackedStr) {
        self.remove(py, key);
    }

    #[inline]
    fn __contains__(&self, py: Python, key: PyBackedStr) -> bool {