Revert "ci: xxx"

This reverts commit 44dd803.

Author: Synss

requirements/tests.in

@@ -3,7 +3,7 @@ cython
 pytest < 5.0.0  # For Python < 3.5
 pytest-cov
 pytest-repeat
-readme_renderer ; python_version != "3.9"  # blocked by html5lib issue 419
+readme_renderer
 
 docutils < 0.16             # via readme_renderer; for Python 3.4
 importlib-metadata < 1.2.0  # via pluggy, pytest; for Python 3.4

requirements/tests.txt

@@ -20,7 +20,7 @@ pyparsing==2.4.6          # via packaging
 pytest-cov==2.8.1         # via -r requirements/tests.in (line 4)
 pytest-repeat==0.8.0      # via -r requirements/tests.in (line 5)
 pytest==4.6.9             # via -r requirements/tests.in (line 3), pytest-cov, pytest-repeat
-readme-renderer==24.0 ; python_version != "3.9"  # via -r requirements/tests.in (line 6)
+readme-renderer==24.0     # via -r requirements/tests.in (line 6)
 six==1.14.0               # via bleach, more-itertools, packaging, pytest, readme-renderer
 wcwidth==0.1.8            # via pytest
 webencodings==0.5.1       # via bleach

setup.py

@@ -27,10 +27,7 @@
 install_requires = ["certifi"]
 if sys.version_info < (3,):
     install_requires.extend(["contextlib2", "enum34!=1.1.8", "pathlib2"])
-tests_require = []
-if sys.version_info < (3, 9):
-    # Exclude 3.9 because of html5lib issue #419.
-    tests_require.extend(["readme_renderer"])
+tests_require = ["readme_renderer"]
 if sys.version_info < (3,):
     tests_require.extend(["contextlib2"])