anchor.diff:        --replace "'pymssql==2.1.4'," "" \
         --replace "'pytesseract==0.3.0'," "" \
         --replace "'pywinrm==0.4.1'," "" \
  +      --replace "'mitmproxy==5.0.1'," "" \
   
     '';
   
  
positive.code: 
  buildPythonPackage rec {
    pname = "fluidasserts";
    version = "20.1.22554";
    disabled = !isPy37;
  
    src = fetchPypi {
      inherit pname version;
      extension = "zip";
      sha256 = "0j7zppwingi9m58z51phy40d69jlskx1vgyz1gj9miqhbjfdymhi";
    };
  
    patchPhase = ''
  
negative.code:     rm test/conftest.py
  
      pytest \
        test/test_cloud_aws_cloudformation_{cloudfront,dynamodb,ec2,elb,elb2}.py \
        test/test_cloud_aws_cloudformation_{fsx,iam,kms,rds,s3,secretsmanager}.py \
        test/test_format_{apk,file,jks,jwt,pdf,pkcs12,string}.py \
        test/test_helper_{asynchronous,crypto}.py \
        test/test_lang_{javascript,java}.py \
        test/test_lang_{core,csharp,docker,dotnetconfig,html,php,python,rpgle}.py \
        test/test_utils_generic.py
  
    '';
  
  