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fdd�|dd � D ��� fdd�|d d� D ��7 }ntd ��t� j|i |�� d S ) N)r rm c s g | ] }� � |d t��qS )rB �rF r^ �rT �argr. r* r+ rU s z'SnapToGrid.__init__.<locals>.<listcomp>� c 3 � � | ] }� � |d t�V qdS rG r� r� r. r* r+ r� � � z&SnapToGrid.__init__.<locals>.<genexpr>rm c 3 r� rG r� r� r. r* r+ r� r� r z2Must provide 1, 2, or 4 arguments to `SnapToGrid`.)r� �extendr! r r )r" rx r< r$ �nargsr# r( r. r+ r s ���zSnapToGrid.__init__r� r* r* r( r+ r� � r� c @ r� )� SymDifferencerm rn Nr� r* r* r* r+ r� r� r� c r� )r c s> || � |dt�g}d|vrt|d�|d< t� j|i |�� d S )Nr r r )rF rw r r r )r" rx r r$ r# r( r* r+ r s �zTransform.__init__r� r* r* r( r+ r r� r c r� )� Translatec s@ | � � }t| j�dk r|j�td�� tt|�j||fi |��S )Nr� r )rV r� r rv r r r� rY r� r( r* r+ rY * s zTranslate.as_sqlite)r- rH rI rY rK r* r* r( r+ r� ) r� r� c @ r� )�Unionrm rn Nr� r* r* r* r+ r� 2 r� r� N)H�decimalr �#django.contrib.gis.db.models.fieldsr r � django.contrib.gis.db.models.sqlr r �django.contrib.gis.geosr �django.core.exceptionsr � 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