[issue38637] fix GROWTH_RATE comments bug

[toywei]

New submission from toywei <g1e2t3 at foxmail.com>:

It also exists in 3.7/3.6/3.3.

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assignee: docs at python
components: Documentation
messages: 355688
nosy: docs at python, toywei
priority: normal
pull_requests: 16516
severity: normal
status: open
title: fix GROWTH_RATE comments bug
type: resource usage
versions: Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38637>
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