qiskit_nature/properties/second_quantization/electronic/integrals/two_body_electronic_integrals.py
def _fill_matrices(self) -> None:
        """Fills the internal matrices where `None` placeholders were inserted.

        This method iterates the internal list of matrices and replaces any occurrences of `None`
        according to the following rules:
            1. If the Alpha-Beta matrix (third index) is `None` and the Beta-Alpha matrix was not
               `None`, its transpose will be used.
            2. If the Beta-Alpha matrix was `None`, the Alpha-Alpha matrix is used as is.
            3. Any other missing matrix gets replaced by the Alpha-Alpha matrix.
        """
        filled_matrices = []
        alpha_beta_spin_idx = 3
        for idx, mat in enumerate(self._matrices):
            if mat is not None:
                filled_matrices.append(mat)
            elif idx == alpha_beta_spin_idx:
                if self._matrices[1] is None:
                    filled_matrices.append(self._matrices[0])
                else:
                    filled_matrices.append(self._matrices[1].T)
            else:
                filled_matrices.append(self._matrices[0])
        self._matrices = tuple(filled_matrices)
Fills the internal matrices where `None` placeholders were inserted.

        This method iterates the internal list of matrices and replaces any occurrences of `None`
        according to the following rules:
            1. If the Alpha-Beta matrix (third index) is `None` and the Beta-Alpha matrix was not
               `None`, its transpose will be used.
            2. If the Beta-Alpha matrix was `None`, the Alpha-Alpha matrix is used as is.
            3. Any other missing matrix gets replaced by the Alpha-Alpha matrix.
        
Fills the internal matrices where `None` placeholders were inserted.
This method iterates the internal list of matrices and replaces any occurrences of `None`
according to the following rules:
1. If the Alpha-Beta matrix (third index) is `None` and the Beta-Alpha matrix was not
`None`, its transpose will be used.
2. If the Beta-Alpha matrix was `None`, the Alpha-Alpha matrix is used as is.
3. Any other missing matrix gets replaced by the Alpha-Alpha matrix.
Fills the internal matrices where ` None ` placeholders were inserted . This method iterates the internal list of matrices and replaces any occurrences of ` None ` according to the following rules : 1 . If the Alpha - Beta matrix ( third index ) is ` None ` and the Beta - Alpha matrix was not ` None ` its transpose will be used . 2 . If the Beta - Alpha matrix was ` None ` the Alpha - Alpha matrix is used as is . 3 . Any other missing matrix gets replaced by the Alpha - Alpha matrix .
def _fill_matrices(self) -> None:
        filled_matrices = []
        alpha_beta_spin_idx = 3
        for idx, mat in enumerate(self._matrices):
            if mat is not None:
                filled_matrices.append(mat)
            elif idx == alpha_beta_spin_idx:
                if self._matrices[1] is None:
                    filled_matrices.append(self._matrices[0])
                else:
                    filled_matrices.append(self._matrices[1].T)
            else:
                filled_matrices.append(self._matrices[0])
        self._matrices = tuple(filled_matrices)
def _fill_matrices ( self ) -> None : filled_matrices = [ ] alpha_beta_spin_idx = 3 for idx , mat in enumerate ( self . _matrices ) : if mat is not None : filled_matrices . append ( mat ) elif idx == alpha_beta_spin_idx : if self . _matrices [ 1 ] is None : filled_matrices . append ( self . _matrices [ 0 ] ) else : filled_matrices . append ( self . _matrices [ 1 ] . T ) else : filled_matrices . append ( self . _matrices [ 0 ] ) self . _matrices = tuple ( filled_matrices )
Fills the internal matrices where `None` placeholders were inserted.
Fills the internal matrices where ` None ` placeholders were inserted .
"""Fills the internal matrices where `None` placeholders were inserted.

        This method iterates the internal list of matrices and replaces any occurrences of `None`
        according to the following rules:
            1. If the Alpha-Beta matrix (third index) is `None` and the Beta-Alpha matrix was not
               `None`, its transpose will be used.
            2. If the Beta-Alpha matrix was `None`, the Alpha-Alpha matrix is used as is.
            3. Any other missing matrix gets replaced by the Alpha-Alpha matrix.
        """
self