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fix: provide clear messaging about config file loading #3578
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                    gaborbernat
  
              
              requested changes
              
                  
                    Aug 8, 2025 
                  
              
              
            
            
Fix bug where tox is silently ignoring loading pyproject.toml files that failed be loaded by tomllint and falling back to other config. - if pyproject.toml does not have one of the two expected sections it will be logged, so it would be visible with `-v` - make pyproject.toml failure to load a fatal error with clear information about cause - keeps ignoring missing pyproject.toml files as expected With these, users of tox will not be surprised when they break the config file by mistake, like adding a duplicate section.
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                    gaborbernat
  
              
              approved these changes
              
                  
                    Aug 11, 2025 
                  
              
              
            
            
              
                    gaborbernat
  
              
              approved these changes
              
                  
                    Sep 2, 2025 
                  
              
              
            
            
    
  jsirois 
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The change in tox-dev/tox#3578 causes `tox --vrsion` to blow up when there is a setup.cfg in the CWD with no tox:tox section.
    
  jsirois 
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The change in tox-dev/tox#3578 causes `tox --version` to blow up when there is a setup.cfg in the CWD with no tox:tox section.
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           I believe something about this change caused a regression. If you have a   | 
    
  
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Fix bug where tox is silently ignoring loading pyproject.toml files
that failed be loaded by tomllint and falling back to other config.
it will be logged, so it would be visible with
-vinformation about cause
With these, users of tox will not be surprised when they break the
config file by mistake, like adding a duplicate section.
tox -e fix)docs/changelogfolder