Scheduled weekly dependency update for week 13

[pyup-bot]

Update cryptography from 2.1.4 to 2.2.2.

Changelog

2.2.1

~~~~~~~~~~~~~~~~~~

* Reverted a change to ``GeneralNames`` which prohibited having zero elements,
due to breakages.
* Fixed a bug in
:func:`~cryptography.hazmat.primitives.keywrap.aes_key_unwrap_with_padding`
that caused it to raise ``InvalidUnwrap`` when key length modulo 8 was
zero.


.. _v2-2:

2.2

~~~~~~~~~~~~~~~~

* **BACKWARDS INCOMPATIBLE:** Support for Python 2.6 has been dropped.
* Resolved a bug in ``HKDF`` that incorrectly constrained output size.
* Added :class:`~cryptography.hazmat.primitives.asymmetric.ec.BrainpoolP256R1`,
:class:`~cryptography.hazmat.primitives.asymmetric.ec.BrainpoolP384R1`, and
:class:`~cryptography.hazmat.primitives.asymmetric.ec.BrainpoolP512R1` to
support inter-operating with systems like German smart meters.
* Added token rotation support to :doc:`Fernet </fernet>` with
:meth:`~cryptography.fernet.MultiFernet.rotate`.
* Fixed a memory leak in
:func:`~cryptography.hazmat.primitives.asymmetric.ec.derive_private_key`.
* Added support for AES key wrapping with padding via
:func:`~cryptography.hazmat.primitives.keywrap.aes_key_wrap_with_padding`
and
:func:`~cryptography.hazmat.primitives.keywrap.aes_key_unwrap_with_padding`
.
* Allow loading DSA keys with 224 bit ``q``.

.. _v2-1-4:

Links

• PyPI: https://pypi.python.org/pypi/cryptography
• Changelog: https://pyup.io/changelogs/cryptography/
• Repo: https://github.com/pyca/cryptography

Update lxml from 4.1.1 to 4.2.1.

Changelog

4.2.1

==================

Bugs fixed
----------

* LP1755825: ``iterwalk()`` failed to return the 'start' event for the initial
element if a tag selector is used.

* LP1756314: Failure to import 4.2.0 into PyPy due to a missing library symbol.

* LP1727864, GH258: Add "-isysroot" linker option on MacOS as needed by XCode 9.

4.2.0

==================

Features added
--------------

* GH255: ``SelectElement.value`` returns more standard-compliant and
browser-like defaults for non-multi-selects.  If no option is selected, the
value of the first option is returned (instead of None).  If multiple options
are selected, the value of the last one is returned (instead of that of the
first one).  If no options are present (not standard-compliant)
``SelectElement.value`` still returns ``None``.

* GH261: The ``HTMLParser()`` now supports the ``huge_tree`` option.
Patch by stranac.

Bugs fixed
----------

* LP1551797: Some XSLT messages were not captured by the transform error log.

* LP1737825: Crash at shutdown after an interrupted iterparse run with XMLSchema
validation.

Other changes
-------------

Links

• PyPI: https://pypi.python.org/pypi/lxml
• Changelog: https://pyup.io/changelogs/lxml/
• Homepage: http://lxml.de/
• Bugtracker: https://bugs.launchpad.net/lxml

---

This change is 

[mithrandi]

bors r+

[bors-fusion]

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