r"""Hook that is called internally by the `pickle` module to unpickle a persistent object.

Ask the user the question until the user inputs a valid answer.

r"""Fused bias and activation function. Adds bias `b` to activation tensor `x`, evaluates activation function `act`, and scales the result by

Finds the python class with the given name and constructs it with the given arguments.

r"""2D convolution with optional up/downsampling. Padding is performed only once at the beginning, not between the operations. Args:

Takes in a list of tuples of (src, dst) paths and copies files. Will create all necessary directories.

Create a circular mask tensor. Args: h (int): The height of the mask tensor. w (int): The width of the mask tensor.

Create a circular mask tensor. Args: h (int): The height of the mask tensor. w (int): The width of the mask tensor.

Create a square mask tensor. Args: height (int): The height of the mask. width (int): The width of the mask. center (list

Create a square mask tensor. Args: height (int): The height of the mask. width (int): The width of the mask. center (list

r"""Downsample a batch of 2D images using the given 2D FIR filter. By default, the result is padded so that its shape is a fraction of the input.

Draws handle and target points with arrow pointing towards the target point. Args: img (PIL.Image.Image): The image to draw on.

Draws handle and target points with arrow pointing towards the target point. Args: img (PIL.Image.Image): The image to draw on.

r"""Filter a batch of 2D images using the given 2D FIR filter. By default, the result is padded so that its shape matches the input. User-spe

Convert the seconds to human readable string with days, hours, minutes and seconds.