Restrict lxml for Python 2.6. (#8)

felixfontein · web-flow · commit 2b27379c96a0 · 2021-09-24T22:44:21.000+02:00
diff --git a/tests/unit/requirements.txt b/tests/unit/requirements.txt
@@ -1,4 +1,5 @@
 unittest2 ; python_version < '2.7'
 importlib ; python_version < '2.7'
 
-lxml
+lxml < 4.3.0 ; python_version < '2.7' # lxml 4.3.0 and later require python 2.7 or later
+lxml ; python_version >= '2.7'
