Update pip-tools to 4.4.0

[pyup-bot]

This PR updates pip-tools from 1.11.0 to 4.4.0.

Changelog

4.4.0

Features:
- Add `--cache-dir` option to `pip-compile`
([1022](https://github.com/jazzband/pip-tools/pull/1022)).  Thanks richafrank
- Add `pip>=20.0` support
([1024](https://github.com/jazzband/pip-tools/pull/1024)). Thanks atugushev

Bug Fixes:
- Fix a bug where `pip-compile --upgrade-package` would upgrade those passed packages not already required according to the `*.in` and `*.txt` files
([1031](https://github.com/jazzband/pip-tools/pull/1031)). Thanks AndydeCleyre

4.3.0

Features:
- Add Python 3.8 support
([956](https://github.com/jazzband/pip-tools/pull/956)). Thanks hramezani
- Unpin commented out unsafe packages in `requirements.txt`
([975](https://github.com/jazzband/pip-tools/pull/975)).  Thanks atugushev

Bug Fixes:
- Fix `pip-compile` doesn't copy `--trusted-host` from `requirements.in` to `requirements.txt`
([964](https://github.com/jazzband/pip-tools/pull/964)). Thanks atugushev
- Add compatibility with `pip>=20.0`
([953](https://github.com/jazzband/pip-tools/pull/953) and [978](https://github.com/jazzband/pip-tools/pull/978)). Thanks atugushev
- Fix a bug where the resolver wouldn't clean up the ephemeral wheel cache
([968](https://github.com/jazzband/pip-tools/pull/968)). Thanks atugushev

Improved Documentation:
- Add a note to `README` about `requirements.txt` file, which would possibly interfere if you're compiling from scratch
([959](https://github.com/jazzband/pip-tools/pull/959)). Thanks hramezani

4.2.0

Features:
- Add `--ask` option to `pip-sync`
([913](https://github.com/jazzband/pip-tools/pull/913)). Thanks georgek

Bug Fixes:
- Add compatibility with `pip>=19.3`
([864](https://github.com/jazzband/pip-tools/pull/864), [904](https://github.com/jazzband/pip-tools/pull/904), [910](https://github.com/jazzband/pip-tools/pull/910), [912](https://github.com/jazzband/pip-tools/pull/912) and [915](https://github.com/jazzband/pip-tools/pull/915)). Thanks atugushev
- Ensure `pip-compile --no-header <blank requirements.in>` creates/overwrites `requirements.txt`
([909](https://github.com/jazzband/pip-tools/pull/909)). Thanks AndydeCleyre
- Fix `pip-compile --upgrade-package` removes «via» annotation
([931](https://github.com/jazzband/pip-tools/pull/931)). Thanks hramezani

Improved Documentation:
- Add info to `README` about layered requirements files and `-c` flag
([905](https://github.com/jazzband/pip-tools/pull/905)). Thanks jamescooke

4.1.0

Features:
- Add `--no-emit-find-links` option to `pip-compile`
([873](https://github.com/jazzband/pip-tools/pull/873)). Thanks jacobtolar

Bug Fixes:
- Prevent `--dry-run` log message from being printed with `--quiet` option in `pip-compile`
([861](https://github.com/jazzband/pip-tools/pull/861)). Thanks ddormer
- Fix resolution of requirements from Git URLs without `-e`
([879](https://github.com/jazzband/pip-tools/pull/879)). Thanks andersk

4.0.0

Backwards Incompatible Changes:
- Drop support for EOL Python 3.4
([803](https://github.com/jazzband/pip-tools/pull/803)). Thanks auvipy

Bug Fixes:
- Fix `pip>=19.2` compatibility
([857](https://github.com/jazzband/pip-tools/pull/857)). Thanks atugushev

3.9.0

Features:
- Print provenance information when `pip-compile` fails
([837](https://github.com/jazzband/pip-tools/pull/837)). Thanks jakevdp

Bug Fixes:
- Output all logging to stderr instead of stdout
([834](https://github.com/jazzband/pip-tools/pull/834)). Thanks georgek
- Fix output file update with `--dry-run` option in `pip-compile`
([842](https://github.com/jazzband/pip-tools/pull/842)). Thanks shipmints and atugushev

3.8.0

Features:
- Options `--upgrade` and `--upgrade-package` are no longer mutually exclusive
([831](https://github.com/jazzband/pip-tools/pull/831)). Thanks adamchainz

Bug Fixes:
- Fix `--generate-hashes` with bare VCS URLs
([812](https://github.com/jazzband/pip-tools/pull/812)). Thanks jcushman
- Fix issues with `UnicodeError` when installing `pip-tools` from source in some systems
([816](https://github.com/jazzband/pip-tools/pull/816)). Thanks AbdealiJK
- Respect `--pre` option in the input file
([822](https://github.com/jazzband/pip-tools/pull/822)). Thanks atugushev
- Option `--upgrade-package` now works even if the output file does not exist
([831](https://github.com/jazzband/pip-tools/pull/831)). Thanks adamchainz

3.7.0

Features:
- Show progressbar on generation hashes in `pip-compile` verbose mode
([743](https://github.com/jazzband/pip-tools/pull/743)). Thanks atugushev
- Add options `--cert` and `--client-cert` to `pip-sync`
([798](https://github.com/jazzband/pip-tools/pull/798)). Thanks atugushev
- Add support for `--find-links` in `pip-compile` output
([793](https://github.com/jazzband/pip-tools/pull/793)). Thanks estan and atugushev
- Normalize «command to run» in `pip-compile` headers
([800](https://github.com/jazzband/pip-tools/pull/800)). Thanks atugushev
- Support URLs as packages
([807](https://github.com/jazzband/pip-tools/pull/807)). Thanks jcushman, nim65s and toejough

Bug Fixes:
- Fix replacing password to asterisks in `pip-compile`
([808](https://github.com/jazzband/pip-tools/pull/808)). Thanks atugushev

3.6.1

Bug Fixes:
- Fix `pip>=19.1` compatibility
([795](https://github.com/jazzband/pip-tools/pull/795)). Thanks atugushev

3.6.0

Features:
- Show less output on `pip-sync` with `--quiet` option
([765](https://github.com/jazzband/pip-tools/pull/765)). Thanks atugushev
- Support the flag `--trusted-host` in `pip-sync`
([777](https://github.com/jazzband/pip-tools/pull/777)). Thanks firebirdberlin

3.5.0

Features:
- Show default index url provided by `pip`
([735](https://github.com/jazzband/pip-tools/pull/735)). Thanks atugushev
- Add an option to allow enabling/disabling build isolation
([758](https://github.com/jazzband/pip-tools/pull/758)). Thanks atugushev

Bug Fixes:
- Fix the output file for `pip-compile` with an explicit `setup.py` as source file
([731](https://github.com/jazzband/pip-tools/pull/731)). Thanks atugushev
- Fix order issue with generated lock file when `hashes` and `markers` are used together
([763](https://github.com/jazzband/pip-tools/pull/763)). Thanks milind-shakya-sp

3.4.0

Features:
- Add option `--quiet` to `pip-compile`
([720](https://github.com/jazzband/pip-tools/pull/720)). Thanks bendikro
- Emit the original command to the `pip-compile`'s header
([733](https://github.com/jazzband/pip-tools/pull/733)). Thanks atugushev

Bug Fixes:
- Fix `pip-sync` to use pip script depending on a python version
([737](https://github.com/jazzband/pip-tools/pull/737)). Thanks atugushev

3.3.2

Bug Fixes:
- Fix `pip-sync` with a temporary requirement file on Windows
([723](https://github.com/jazzband/pip-tools/pull/723)). Thanks atugushev
- Fix `pip-sync` to prevent uninstall of stdlib and dev packages
([718](https://github.com/jazzband/pip-tools/pull/718)). Thanks atugushev

3.3.1

Features:
- Added support of `pip` 19.0
([715](https://github.com/jazzband/pip-tools/pull/715)). Thanks atugushev
- Add `--allow-unsafe` to update instructions in the generated `requirements.txt`
([708](https://github.com/jazzband/pip-tools/pull/708)). Thanks richafrank

Bug Fixes:
- Fix `pip-sync` to check hashes
([706](https://github.com/jazzband/pip-tools/pull/706)). Thanks atugushev

3.2.0

Features:
- Apply version constraints specified with package upgrade option (`-P, --upgrade-package`)
([694](https://github.com/jazzband/pip-tools/pull/694)). Thanks richafrank

3.1.0

Features:
- Added support of `pip` 18.1
([689](https://github.com/jazzband/pip-tools/pull/689)). Thanks vphilippon

3.0.0

Major changes:
- Update `pip-tools` for native `pip` 8, 9, 10 and 18 compatibility, un-vendoring `pip` to use the user-installed `pip`
([657](https://github.com/jazzband/pip-tools/pull/657) and [672](https://github.com/jazzband/pip-tools/pull/672)).
Thanks to techalchemy, suutari, tysonclugg and vphilippon for contributing on this.

Features:
- Removed the dependency on the external library `first`
([676](https://github.com/jazzband/pip-tools/pull/676)). Thanks jdufresne

2.0.2

Bug Fixes:
- Added clearer error reporting when skipping pre-releases
([655](https://github.com/jazzband/pip-tools/pull/655)). Thanks WoLpH

2.0.1

Bug Fixes:
- Added missing package data from vendored pip, such as missing cacert.pem file. Thanks vphilippon

2.0.0

Major changes:
- Vendored `pip` 9.0.3 to keep compatibility for users with `pip` 10.0.0
([644](https://github.com/jazzband/pip-tools/pull/644)). Thanks vphilippon

Features:
- Improved the speed of pip-compile --generate-hashes by caching the hashes from an existing output file
([641](https://github.com/jazzband/pip-tools/pull/641)). Thanks justicz
- Added a `pip-sync --user` option to restrict attention to user-local directory
([642](https://github.com/jazzband/pip-tools/pull/642)). Thanks jbergknoff-10e
- Removed the hard dependency on setuptools
([645](https://github.com/jazzband/pip-tools/pull/645)). Thanks vphilippon

Bug fixes:
- The pip environment markers on top-level requirements in the source file (requirements.in)
are now properly handled and will only be processed in the right environment
([647](https://github.com/jazzband/pip-tools/pull/647)). Thanks JoergRittinger

Links

• PyPI: https://pypi.org/project/pip-tools
• Changelog: https://pyup.io/changelogs/pip-tools/
• Repo: https://github.com/jazzband/pip-tools/

[coveralls]

Coverage remained the same at 30.441% when pulling 4ce72b4 on pyup-update-pip-tools-1.11.0-to-4.4.0 into e67070d on master.