def binary_file(self, file=None):
        """Same as :meth:`file` but for binary content."""
        if file is None:
            file = BytesIO()
        self._binary_file(file)
        return file
def binary_file(self, file=None):
        
        if file is None:
            file = BytesIO()
        self._binary_file(file)
        return file
def binary_file ( self , file = None ) : if file is None : file = BytesIO ( ) self . _binary_file ( file ) return file
Same as :meth:`file` but for binary content.
Same as : meth : file but for binary content .