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� Z S )�OnHoverTooltipBasez?abstract base class for tooltips, with delayed on-hover display�� c sV t t| ��|� || _d| _| j�d| j�| _| j�d| j �| _
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r c s* e Zd ZdZd� fdd� Zdd� Z� ZS )�HovertipzAA tooltip that pops up when a mouse hovers over an anchor widget.�� c s t t| �j||d� || _dS )av Create a text tooltip with a mouse hover delay.
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