Use `MNIST_TINY` in fastai example (#3267)
Use `MNIST_TINY` in fastai example (#3267)

* Overwrite durations

Signed-off-by: harupy <3b81b8b110f2244bdbf0f43efa472935c395c613@users.noreply.github.com>

* Set epochs to 1

Signed-off-by: harupy <3b81b8b110f2244bdbf0f43efa472935c395c613@users.noreply.github.com>

* Use MNIST_TINY for fastai example

Signed-off-by: harupy <3b81b8b110f2244bdbf0f43efa472935c395c613@users.noreply.github.com>

* Set durations to 0

Signed-off-by: harupy <3b81b8b110f2244bdbf0f43efa472935c395c613@users.noreply.github.com>
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