[py] Bump version to 4a6

Cr-Mirrored-From: https://chromium.googlesource.com/external/github.com/SeleniumHQ/selenium
Cr-Mirrored-Commit: 5f43a29cfccd9c7fb5adca5d69ed168150edb39f
diff --git a/BUILD.bazel b/BUILD.bazel
index 863752b..02c8996 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -73,7 +73,7 @@
     strip_path_prefixes = [
         "py",
     ],
-    version = "4.0.0.a5",
+    version = "4.0.0.a6",
     visibility = ["//visibility:public"],
     deps = [
         ":selenium-pkg",
diff --git a/CHANGES b/CHANGES
index 85d96b5..14dac3d 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,33 @@
+Selenium 4.0 Alpha 6
+
+* Add Abstract Base Class to WebElement and WebDriver #7127 (#8348)
+* Copy `acceptInsecureCerts` to Options for Firefox. Fixes #8261
+* Correct check on DEFAULT_EXECUTABLE_PATH
+* Use ProxyManager instead of PoolManager in remote_connection (#8297)
+* Check offsets are cast to int. Fixes #7639
+* Fixes an issue where IE server port is set '0' by default (#8294)
+* Favor Python3 constructs and Python 2.7 compatibility (#8290)
+* Remove Unused Arguments from Firefox
+* Fixup Firefox deprecations
+* Delete support for Blackberry Driver
+* Delete PhantomJS capabilities
+* Delete Android Driver support
+* Remove python crazyfun references
+* Enable and update Safari tests
+* Use same port in remote executor and service (#8255)
+* Update tests and docs to not use deprecated methods
+* mark various tests as failing in Firefox
+* Use callback functions instead callable objects as expected conditions (#7765)
+* Fix error in webelemet not created, verifing if is str or dict. (#3481)
+* verify command_executor ssl certificate by default (#6536)
+* Correct documentation for ChromiumDriver
+* Deprecating find_element(s)_* calls in event firing webdriver
+* Fixing path to selenium server for remote tests
+* Fixing relative locator constructor
+* Changing environment variable we use to check if the tests are running on travis
+* Fixing HSL to RGBa color converter
+* Deprecate use of AppCache APIs
+
 Selenium 4.0 Alpha 5
 
 * Correct service usage in IE Binding. Fixes  #7749
@@ -19,7 +49,7 @@
 * Build python code with Bazel
 * Parse python docstring example as code snippet
 * correct python_requires in setup
-*  Fix grammar typo in exceptions.py (#7657) 
+*  Fix grammar typo in exceptions.py (#7657)
 * Fixed references to chromedriver website
 
 Selenium 4.0 Alpha 3
@@ -750,4 +780,3 @@
 * Improved IEDriver
 * Basic Authentication support for Selenium 2
 * Ability to have multiple Firefox instances
-
diff --git a/docs/source/index.rst b/docs/source/index.rst
index 9cbf5c9..8b75ec6 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -35,7 +35,7 @@
 
     pip install -U selenium
 
-Alternately, you can download the source distribution from `PyPI <https://pypi.org/project/selenium/#files>`_ (e.g. selenium-4.0.0a5.tar.gz), unarchive it, and run::
+Alternately, you can download the source distribution from `PyPI <https://pypi.org/project/selenium/#files>`_ (e.g. selenium-4.0.0a6.tar.gz), unarchive it, and run::
 
     python setup.py install
 
diff --git a/selenium/__init__.py b/selenium/__init__.py
index 45e282c..4a049b8 100644
--- a/selenium/__init__.py
+++ b/selenium/__init__.py
@@ -16,4 +16,4 @@
 # under the License.
 
 
-__version__ = "4.0.0a5"
+__version__ = "4.0.0a6"
diff --git a/selenium/webdriver/__init__.py b/selenium/webdriver/__init__.py
index 0a84447..5fb2472 100644
--- a/selenium/webdriver/__init__.py
+++ b/selenium/webdriver/__init__.py
@@ -37,4 +37,4 @@
 from .common.touch_actions import TouchActions  # noqa
 from .common.proxy import Proxy  # noqa
 
-__version__ = '4.0.0a5'
+__version__ = '4.0.0a6'
diff --git a/setup.py b/setup.py
index 8dffbbb..84cf34f 100755
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,7 @@
 setup_args = {
     'cmdclass': {'install': install},
     'name': 'selenium',
-    'version': "4.0.0a5",
+    'version': "4.0.0a6",
     'license': 'Apache 2.0',
     'description': 'Python bindings for Selenium',
     'long_description': open(join(abspath(dirname(__file__)), "README.rst")).read(),