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System information

• TensorFlow version (you are using): 2.1
• Are you willing to contribute it (Yes/No): No

(e.g. for links and images), because some of these examples are now being rendered in the docs.

Added by @fchollet in requests for contributions.

During debugging I've seen many constructs like list(map(lambda i: torch.device('cuda:' + str(i)), gpus))

I'd propose to replace those by "regular" list comprehensions. So the above is equivalent to [torch.device('cuda:' + str(i)) for i in gpus]

This replacement can be automated via regexp replacement for (likely) almost all cases.

Reasoning: The nesting of parentheses and the inline

some recordings have low volume so the output can be sometimes really quiet. how about we add a volume bar so we can make the output louder/quieter?