anchor.diff:  
     queuelib = callPackage ../development/python-modules/queuelib { };
   
  -  qmk-dotty-dict = callPackage ../development/python-modules/qmk-dotty-dict {};
  +  qmk-dotty-dict = callPackage ../development/python-modules/qmk-dotty-dict { };
   
     r2pipe = callPackage ../development/python-modules/r2pipe { };
   
  
positive.code:   # See build-setupcfg/default.nix for documentation.
    buildSetupcfg = import ../build-support/build-setupcfg self;
  
    fetchPypi = callPackage ../development/interpreters/python/fetchpypi.nix {};
  
    # Check whether a derivation provides a Python module.
    hasPythonModule = drv: drv?pythonModule && drv.pythonModule == python;
  
negative.code: 
    click-threading = callPackage ../development/python-modules/click-threading { };
  
    clickhouse-cityhash = callPackage ../development/python-modules/clickhouse-cityhash { };
  
    clickhouse-cli = callPackage ../development/python-modules/clickhouse-cli { };
  
    clickhouse-driver = callPackage ../development/python-modules/clickhouse-driver { };
  
    cliff = callPackage ../development/python-modules/cliff { };
  
  