Update version lxml to 4.1.1

This error ImportError: lxml.etree does not export expected C function adoptExternalDocument
8 years ago · 56c2717e29
1 changed files with 1 additions and 1 deletions
--- a/requirements.txt
+++ b/requirements.txt
@ -1,4 +1,4 @@
 lxml >= 3.5.0, < 5
 lxml >= 4.1.1, < 5
 coveralls
 Jinja2
 signxml