* Add support for Python 3.9. (:issue:`[#5289](https://github.com/pyinstaller/pyinstaller/issues/5289)`)
* Add support for Python 3.8. (:issue:`[#4311](https://github.com/pyinstaller/pyinstaller/issues/4311)`)
Bugfix
* Fix endless recursion if a package's ``__init__`` module is an extension
module. (:issue:`[#5157](https://github.com/pyinstaller/pyinstaller/issues/5157)`)
* Remove duplicate logging messages (:issue:`[#5277](https://github.com/pyinstaller/pyinstaller/issues/5277)`)
* Fix sw_64 architecture support (:issue:`[#5296](https://github.com/pyinstaller/pyinstaller/issues/5296)`)
* (AIX) Include python-malloc labeled libraries in search for libpython.
(:issue:`[#4210](https://github.com/pyinstaller/pyinstaller/issues/4210)`)
Hooks
~~~~~
* Add ``exclude_datas``, ``include_datas``, and ``filter_submodules`` to
``collect_all()``. These arguments map to the ``excludes`` and ``includes``
arguments of ``collect_data_files``, and to the `filter` argument of
``collect_submodules``. (:issue:`[#5113](https://github.com/pyinstaller/pyinstaller/issues/5113)`)
* Add hook for difflib to not pull in doctests, which is only
required when run as main programm.
* Add hook for distutils.util to not pull in lib2to3 unittests, which will be
rearly used in frozen packages.
* Add hook for heapq to not pull in doctests, which is only
required when run as main programm.
* Add hook for multiprocessing.util to not pull in python test-suite and thus
e.g. tkinter.
* Add hook for numpy._pytesttester to not pull in pytest.
* Add hook for pickle to not pull in doctests and argpargs, which are only
required when run as main programm.
* Add hook for PIL.ImageFilter to not pull
numpy, which is an optional component.
* Add hook for setuptools to not pull in numpy, which is only imported if
installed, not mean to be a dependency
* Add hook for zope.interface to not pull in pytest unittests, which will be
rearly used in frozen packages.
* Add hook-gi.repository.HarfBuzz to fix Typelib error with Gtk apps.
(:issue:`[#5133](https://github.com/pyinstaller/pyinstaller/issues/5133)`)
* Enable overriding Django settings path by `DJANGO_SETTINGS_MODULE`
environment variable. (:issue:`[#5267](https://github.com/pyinstaller/pyinstaller/issues/5267)`)
* Fix `collect_system_data_files` to scan the given input path instead of its
</tr></table>
</code></pre>
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/pyinstaller/pyinstaller/commit/f9eeaaf9c09ce72cab20165a21dd454be2178c50"><code>f9eeaaf</code></a> Release 4.1.</li>
<li><a href="https://github.com/pyinstaller/pyinstaller/commit/96f082ac2f5966daa3067294a0033bfdb451de59"><code>96f082a</code></a> doc: Rebuild man-pages for release 4.1.</li>
<li><a href="https://github.com/pyinstaller/pyinstaller/commit/1c2ff303f81abb542307fc7877dab0d41ea185a0"><code>1c2ff30</code></a> Update versions in README.</li>
<li><a href="https://github.com/pyinstaller/pyinstaller/commit/9e0a3c814ae9a3c89746e074764d35be8b7fa909"><code>9e0a3c8</code></a> Update CREDITS for release 4.1</li>
<li><a href="https://github.com/pyinstaller/pyinstaller/commit/27f1dd4d662a0915ffcdc32c60d22afea0cb4db8"><code>27f1dd4</code></a> license: Remove old PyInstaller development team listing,</li>
<li><a href="https://github.com/pyinstaller/pyinstaller/commit/3873f0492b71cd7c04ed5e831a49f6331921957a"><code>3873f04</code></a> Recompile Bootloaders for Windows, Darwin and Linux.</li>
<li><a href="https://github.com/pyinstaller/pyinstaller/commit/6325cefa093a69b7a93bb7b6ccac61a84d49900b"><code>6325cef</code></a> Bootloader build: Vagrantfile: Fix building for OSX.</li>
<li><a href="https://github.com/pyinstaller/pyinstaller/commit/26d2b07c5457db9e092498c60c4a981b681f6960"><code>26d2b07</code></a> Bootloader build: Vagrantfile: Fix building Linux-32bit.</li>
<li><a href="https://github.com/pyinstaller/pyinstaller/commit/aeb8749df3eb8cbf86d89a70287d693ea9871033"><code>aeb8749</code></a> Bootloader build: Vagrantfile: Fix package install for cygwin.</li>
<li><a href="https://github.com/pyinstaller/pyinstaller/commit/f09b81db4c19357726c8d3df4fac2db332c1c500"><code>f09b81d</code></a> Bootloader build: Vagrantfile: Update GNU/Linux box to Debian 10.</li>
<li>Additional commits viewable in <a href="https://github.com/pyinstaller/pyinstaller/compare/v4.0...v4.1">compare view</a></li>
</ul>
</details>
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Bumps pyinstaller from 4.0 to 4.1.
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