shell.nix that prepares tildes for pytest

shell.nix

with import <nixpkgs> {};
with python3Packages;

let
  testing_common_database = buildPythonPackage rec {
    pname = "testing.common.database";
    version = "2.0.3";

    src = fetchPypi {
      inherit pname version;
      sha256 = "965d80b2985315325dc358c3061b174a712f4d4d5bf6a80b58b11f9a1dd86d73";
    };

    propagatedBuildInputs = [
      nose
      mock
    ];
  };

  testing_redis = buildPythonPackage rec {
    pname = "testing.redis";
    version = "1.1.1";

    src = fetchPypi {
      inherit pname version;
      sha256 = "be46aeb951589d3f25f1dc5391934582bdadc196baf6bd261d60e71991f2b4f2";
    };

    propagatedBuildInputs = [
      testing_common_database
      redis
    ];
  };

  sentry-sdk = buildPythonPackage rec {
    pname = "sentry-sdk";
    version = "0.16.0";

    src = fetchPypi {
      inherit pname version;
      sha256 = "da06bc3641e81ec2c942f87a0676cd9180044fa3d1697524a0005345997542e2";
    };

    propagatedBuildInputs = [
      certifi
      urllib3
      bottle
      django
      rq
      sanic
      flask
      sqlalchemy
      celery
    ];
  };

in mkShell {
  propagatedBuildInputs = [
    alembic
    unittest2
    pytest
    pyramid
    sentry-sdk
    testing_common_database
    testing_redis
    webtest
  ];
}