Left: 
        
          
            Base 
            
            Patch Set 1: None 
            
            Patch Set 2: Address review comments (LICENSE.txt -> COPYING, .gitignore, encoding, license headers in empty fil… 
            
            Patch Set 3: Address review comments (ignore files, extra commands in setup.py, license text in readme, etc.) 
            
            Patch Set 4: Move style and coverage checking to tox.ini, strip setup.py to only have 'devenv' command, remove n… 
            
            Patch Set 5: Update ignore files, describe testing in README.md and fix a typo in tox.ini. 
            
            Patch Set 6: Remove pytest from qa dependencies in tox.ini, change "filterlist" to "filter list" 
            
           
         
         
      
        Right: 
        
          
            
            Patch Set 1: None 
            
            Patch Set 2: Address review comments (LICENSE.txt -> COPYING, .gitignore, encoding, license headers in empty fil… 
            
            Patch Set 3: Address review comments (ignore files, extra commands in setup.py, license text in readme, etc.) 
            
            Patch Set 4: Move style and coverage checking to tox.ini, strip setup.py to only have 'devenv' command, remove n… 
            
            Patch Set 5: Update ignore files, describe testing in README.md and fix a typo in tox.ini. 
            
            Patch Set 6: Remove pytest from qa dependencies in tox.ini, change "filterlist" to "filter list"