Bulk get images for expressions
        Args:
            body, ExpressionOperation: The JSON encoded expression to be evaluated (required)
            getFingerprint, bool: Configure if the fingerprint should be returned as part of the results (optional)
            imageScalar, int: The scale of the image (optional)
            plotShape, str: The image shape (optional)
            sparsity, float: Sparsify the resulting expression to this percentage (optional)
        Returns:
            list of Image
        Raises:
            CorticalioException: if the request was not successful

def getImages(self, body, getFingerprint=None, imageScalar=2, plotShape="circle", sparsity=1.0):
        """Bulk get images for expressions
        Args:
            body, ExpressionOperation: The JSON encoded expression to be evaluated (required)
            getFingerprint, bool: Configure if the fingerprint should be returned as part of the results (optional)
            imageScalar, int: The scale of the image (optional)
            plotShape, str: The image shape (optional)
            sparsity, float: Sparsify the resulting expression to this percentage (optional)
        Returns:
            list of Image
        Raises:
            CorticalioException: if the request was not successful
        """
        return self._image.getImageForBulkExpressions(self._retina, body, getFingerprint, imageScalar, plotShape, sparsity)