Update version lxml to 4.1.1

This error ImportError: lxml.etree does not export expected C function adoptExternalDocument
danimaribeiro · Jun 5, 2018 · 56c2717 · 56c2717
1 parent 966ba5f
commit 56c2717
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/requirements.txt b/requirements.txt
@@ -1,4 +1,4 @@
-lxml >= 3.5.0, < 5
+lxml >= 4.1.1, < 5
 coveralls
 Jinja2
 signxml