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: 
LookupError: tox configuration not found. To use tox, please ensure tox configuration is located in current directory (in tox.ini, setup.cfg, pyproject.toml, or tox.toml). See https://tox.wiki/en/latest/config.html for details.
A lookup error while searching for a tox configuration in the current directory