pub fn release_gil(&mut self) {
        if self.py.is_some() {
            self.py = None;
            self.gil = None;
        }
    }
/// Ensure the Python GIL is released.
Ensure the Python GIL is released.
Ensure the Python GIL is released .
pub fn release_gil(&mut self) {
        if self.py.is_some() {
            self.py = None;
            self.gil = None;
        }
    }
pub fn release_gil ( & mut self ) { if self . py . is_some ( ) { self . py = None ; self . gil = None ; } }
Ensure the Python GIL is released.
Ensure the Python GIL is released .
&mut self