Update setuptools to 49.0.0

[pyup-bot]

This PR updates setuptools from 46.4.0 to 49.0.0.

Changelog

### 49.0.0 ``` ------- * 2165: Setuptools no longer installs a site.py file during easy_install or develop installs. As a result, .eggs on PYTHONPATH will no longer take precedence over other packages on sys.path. If this issue affects your production environment, please reach out to the maintainers at 2165. * 2137: Removed (private) pkg_resources.RequirementParseError, now replaced by packaging.requirements.InvalidRequirement. Kept the name for compatibility, but users should catch InvalidRequirement instead. * 2180: Update vendored packaging in pkg_resources to 19.2. * 2199: Fix exception causes all over the codebase by using ``raise new_exception from old_exception`` ``` ### 48.0.0 ``` ------- * 2143: Setuptools adopts distutils from the Python 3.9 standard library and no longer depends on distutils in the standard library. When importing ``setuptools`` or ``setuptools.distutils_patch``, Setuptools will expose its bundled version as a top-level ``distutils`` package (and unload any previously-imported top-level distutils package), retaining the expectation that ``distutils``' objects are actually Setuptools objects. Although this change is not expected to break any use cases, it will likely affect tool chains that are monkey-patching distutils or relying on Setuptools' own monkey-patching of distutils. ``` ### 47.3.2 ``` ------- * 2071: Replaced references to the deprecated imp package with references to importlib ``` ### 47.3.1 ``` ------- * 1973: Removed ``pkg_resources.py31compat.makedirs`` in favor of the stdlib. Use ``os.makedirs()`` instead. * 2198: Restore ``__requires__`` directive in easy-install wrapper scripts. ``` ### 47.3.0 ``` ------- * 2197: Console script wrapper for editable installs now has a unified template and honors importlib_metadata if present for faster script execution on older Pythons. * 2195: Fix broken entry points generated by easy-install (pip editable installs). ``` ### 47.2.0 ``` ------- * 2194: Editable-installed entry points now load significantly faster on Python versions 3.8+. ``` ### 47.1.1 ``` ------- * 2156: Update mailing list pointer in developer docs ``` ### 47.1.0 ``` ------- * 2070: In wheel-to-egg conversion, use simple pkg_resources-style namespace declaration for packages that declare namespace_packages. ``` ### 47.0.0 ``` ------- * 2094: Setuptools now actively crashes under Python 2. Python 3.5 or later is required. Users of Python 2 should use ``setuptools<45``. * 1700: Document all supported keywords by migrating the ones from distutils. ```

Links

- PyPI: https://pypi.org/project/setuptools - Changelog: https://pyup.io/changelogs/setuptools/ - Repo: https://github.com/pypa/setuptools

[codecov[bot]]

Codecov Report

Merging #309 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #309   +/-   ##
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  Coverage   83.06%   83.06%           
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  Files          21       21           
  Lines        1943     1943           
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  Hits         1614     1614           
  Misses        329      329           

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[pyup-bot]

Closing this in favor of #310