Bump autopep8 from 1.4.0 to 1.4.3

Bumps [autopep8](https://github.com/hhatto/autopep8) from 1.4.0 to 1.4.3.
- [Release notes](https://github.com/hhatto/autopep8/releases)
- [Commits](hhatto/autopep8@v1.4...v1.4.3)

Signed-off-by: dependabot[bot] <support@dependabot.com>

setup.py

@@ -27,7 +27,7 @@
         ],
     extras_require = {
         "dev": [
-            "autopep8 == 1.4.0",
+            "autopep8 ==1.4.3",
             "flake8 >= 3.5.0, < 3.6.0",
             "flake8-print",
             "pycodestyle >= 2.3.0, < 2.4.0",  # To avoid incompatibility with flake