Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
ImportError: cannot import name 'RequestRate' from 'pyrate_limiter' (/usr/lib/python3.12/site-packages/pyrate_limiter/__init__.py)
The relevant error message saying that `RequestRate` cannot be imported from `pyrate_limiter` package.