Schemathesis

:version:`0.20.4 <v0.20.3...v0.20.4>` - 2019-12-17
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**Fixed**

- Handling ``nullable`` attribute in Open API schemas. :issue:`335`

:version:`0.20.3 <v0.20.2...v0.20.3>` - 2019-12-17
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**Fixed**

- Usage of the response status code conformance check with old ``requests`` version. :issue:`330`

:version:`0.20.2 <v0.20.1...v0.20.2>` - 2019-12-14
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**Fixed**

- Response schema conformance check for Open API 3.0. :issue:`332`

:version:`0.20.1 <v0.20.0...v0.20.1>` - 2019-12-13
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**Added**

- Support for response code ranges. :issue:`330`

:version:`0.20.0 <v0.19.1...v0.20.0>` - 2019-12-12
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**Added**

- WSGI apps support. :issue:`31`
- ``Case.validate_response`` for running built-in checks against app's response. :issue:`319`

**Changed**

- Checks receive ``Case`` instance as a second argument instead of ``TestResult``.
This was done for making checks usable in Python tests via ``Case.validate_response``.
Endpoint and schema are accessible via ``case.endpoint`` and ``case.endpoint.schema``.

:version:`0.19.1 <v0.19.0...v0.19.1>` - 2019-12-11
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**Fixed**

- Compatibility with Hypothesis >= 4.53.2. :issue:`322`