Update psycopg2 to 2.7.6.1

[pyup-bot]

This PR updates psycopg2 from 2.7.3.2 to 2.7.6.1.

Changelog

2.7.6

^^^^^^^^^^^^^^^^^^^^^^^^^^^

- Close named cursors if exist, even if `~cursor.execute()` wasn't called
(:ticket:`746`).
- Fixed building on modern FreeBSD versions with Python 3.7 (:ticket:`755`).
- Fixed hang trying to :sql:`COPY` via `~cursor.execute()` in asynchronous
connections (:ticket:`781`).
- Fixed adaptation of arrays of empty arrays (:ticket:`788`).
- Fixed segfault accessing the connection's `~connection.readonly` and
`~connection.deferrable` attributes repeatedly (:ticket:`790`).
- `~psycopg2.extras.execute_values()` accepts `~psycopg2.sql.Composable`
objects (:ticket:`794`).
- `~psycopg2.errorcodes` map updated to PostgreSQL 11.
- Wheel package compiled against PostgreSQL 10.5 libpq and OpenSSL 1.0.2p.

2.7.5

^^^^^^^^^^^^^^^^^^^^^^^^^^^

- Allow non-ascii chars in namedtuple fields (regression introduced fixing
:ticket:`211`).
- Fixed adaptation of arrays of arrays of nulls (:ticket:`325`).
- Fixed building on Solaris 11 and derivatives such as SmartOS and illumos
(:ticket:`677`).
- Maybe fixed building on MSYS2 (as reported in :ticket:`658`).
- Allow string subclasses in connection and other places (:ticket:`679`).
- Don't raise an exception closing an unused named cursor (:ticket:`716`).
- Wheel package compiled against PostgreSQL 10.4 libpq and OpenSSL 1.0.2o.

2.7.4

^^^^^^^^^^^^^^^^^^^^^^^^^^^

- Moving away from installing the wheel package by default.
Packages installed from wheel raise a warning on import. Added package
``psycopg2-binary`` to install from wheel instead (:ticket:`543`).
- Convert fields names into valid Python identifiers in
`~psycopg2.extras.NamedTupleCursor` (:ticket:`211`).
- Fixed Solaris 10 support (:ticket:`532`).
- `cursor.mogrify()` can be called on closed cursors (:ticket:`579`).
- Fixed setting session characteristics in corner cases on autocommit
connections (:ticket:`580`).
- Fixed `~psycopg2.extras.MinTimeLoggingCursor` on Python 3 (:ticket:`609`).
- Fixed parsing of array of points as floats (:ticket:`613`).
- Fixed `~psycopg2.__libpq_version__` building with libpq >= 10.1
(:ticket:`632`).
- Fixed `~cursor.rowcount` after `~cursor.executemany()` with :sql:`RETURNING`
statements (:ticket:`633`).
- Fixed compatibility problem with pypy3 (:ticket:`649`).
- Wheel packages compiled against PostgreSQL 10.1 libpq and OpenSSL 1.0.2n.
- Wheel packages for Python 2.6 no more available (support dropped from
wheel building infrastructure).

Links

• PyPI: https://pypi.org/project/psycopg2
• Changelog: https://pyup.io/changelogs/psycopg2/
• Homepage: http://initd.org/psycopg/

[pyup-bot]

Closing this in favor of #287