Remove a lot of sys.version_info references

test/test_api/test_analysis.py

@@ -1,10 +1,4 @@
-import sys
-
-import pytest
-
-
-@pytest.mark.skipif(sys.version_info[0] == 2, reason="Ignore Python 2, because EOL")
-def test_issue436(Script, skip_python2):
+def test_issue436(Script):
     code = "bar = 0\nbar += 'foo' + 4"
     errors = set(repr(e) for e in Script(code)._analysis())
     assert len(errors) == 2