Bump pip from 9.0.1 to 19.2

[dependabot]

Bumps pip from 9.0.1 to 19.2.

Changelog

Sourced from pip's changelog.

19.2 (2019-07-22)

Deprecations and Removals

• Drop support for EOL Python 3.4. ([#6685](https://github.com/pypa/pip/issues/6685) <https://github.com/pypa/pip/issues/6685>_)
• Improve deprecation messages to include the version in which the functionality will be removed. ([#6549](https://github.com/pypa/pip/issues/6549) <https://github.com/pypa/pip/issues/6549>_)

Features

• Credentials will now be loaded using keyring when installed. ([#5948](https://github.com/pypa/pip/issues/5948) <https://github.com/pypa/pip/issues/5948>_)
• Fully support using --trusted-host inside requirements files. ([#3799](https://github.com/pypa/pip/issues/3799) <https://github.com/pypa/pip/issues/3799>_)
• Update timestamps in pip's --log file to include milliseconds. ([#6587](https://github.com/pypa/pip/issues/6587) <https://github.com/pypa/pip/issues/6587>_)
• Respect whether a file has been marked as "yanked" from a simple repository (see PEP 592 <https://www.python.org/dev/peps/pep-0592/>__ for details). ([#6633](https://github.com/pypa/pip/issues/6633) <https://github.com/pypa/pip/issues/6633>_)
• When choosing candidates to install, prefer candidates with a hash matching one of the user-provided hashes. ([#5874](https://github.com/pypa/pip/issues/5874) <https://github.com/pypa/pip/issues/5874>_)
• Improve the error message when METADATA or PKG-INFO is None when accessing metadata. ([#5082](https://github.com/pypa/pip/issues/5082) <https://github.com/pypa/pip/issues/5082>_)
• Add a new command pip debug that can display e.g. the list of compatible tags for the current Python. ([#6638](https://github.com/pypa/pip/issues/6638) <https://github.com/pypa/pip/issues/6638>_)
• Display hint on installing with --pre when search results include pre-release versions. ([#5169](https://github.com/pypa/pip/issues/5169) <https://github.com/pypa/pip/issues/5169>_)
• Report to Warehouse that pip is running under CI if the PIP_IS_CI environment variable is set. ([#5499](https://github.com/pypa/pip/issues/5499) <https://github.com/pypa/pip/issues/5499>_)
• Allow --python-version to be passed as a dotted version string (e.g. 3.7 or 3.7.3). ([#6585](https://github.com/pypa/pip/issues/6585) <https://github.com/pypa/pip/issues/6585>_)
• Log the final filename and SHA256 of a .whl file when done building a wheel. ([#5908](https://github.com/pypa/pip/issues/5908) <https://github.com/pypa/pip/issues/5908>_)
• Include the wheel's tags in the log message explanation when a candidate wheel link is found incompatible. ([#6121](https://github.com/pypa/pip/issues/6121) <https://github.com/pypa/pip/issues/6121>_)
• Add a --path argument to pip freeze to support --target installations. ([#6404](https://github.com/pypa/pip/issues/6404) <https://github.com/pypa/pip/issues/6404>_)
• Add a --path argument to pip list to support --target installations. ([#6551](https://github.com/pypa/pip/issues/6551) <https://github.com/pypa/pip/issues/6551>_)

Bug Fixes

• Set sys.argv[0] to the underlying setup.py when invoking setup.py via the setuptools shim so setuptools doesn't think the path is -c. ([#1890](https://github.com/pypa/pip/issues/1890) <https://github.com/pypa/pip/issues/1890>_)
• Update pip download to respect the given --python-version when checking "Requires-Python". ([#5369](https://github.com/pypa/pip/issues/5369) <https://github.com/pypa/pip/issues/5369>_)
• Respect --global-option and --install-option when installing from a version control url (e.g. git). ([#5518](https://github.com/pypa/pip/issues/5518) <https://github.com/pypa/pip/issues/5518>_)
• Make the "ascii" progress bar really be "ascii" and not Unicode. ([#5671](https://github.com/pypa/pip/issues/5671) <https://github.com/pypa/pip/issues/5671>_)
• Fail elegantly when trying to set an incorrectly formatted key in config. ([#5963](https://github.com/pypa/pip/issues/5963) <https://github.com/pypa/pip/issues/5963>_)
• Prevent DistutilsOptionError when prefix is indicated in the global environment and --target is used. ([#6008](https://github.com/pypa/pip/issues/6008) <https://github.com/pypa/pip/issues/6008>_)
• Fix pip install to respect --ignore-requires-python when evaluating links. ([#6371](https://github.com/pypa/pip/issues/6371) <https://github.com/pypa/pip/issues/6371>_)

... (truncated)

Commits

• 0e64295 Generate NEWS
• 0df416d Bump version for release
• 5f0aa2a Generate AUTHORS.txt
• 8582f7e Reduce dependency on ctypes when discovering glibc version. (#6678)
• e308497 Merge pull request #6743 from chrahunt/maint/remove-path-copytree
• 9281a7a Remove copytree from tests.lib.path.Path.
• 0d28601 Remove copy from tests.lib.path.Path. (#6746)
• c275e9d Drop a useless import in favor of explicitness
• 3732e79 Remove normpath from tests.lib.path.Path.
• 358e690 Remove move from tests.lib.path.Path.
• Additional commits viewable in compare view

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[dependabot]

Superseded by #14.