Merge pull request #11 from marangiop/dependabot/pip/lxml-4.6.2

Bump lxml from 4.2.5 to 4.6.2

Author: marangiop

python_requirements.txt

@@ -83,7 +83,7 @@ lazy-object-proxy==1.3.1
 libarchive-c==2.8
 llvmlite==0.26.0
 locket==0.2.0
-lxml==4.2.5
+lxml==4.6.2
 Markdown==3.1
 MarkupSafe==1.1.0
 matplotlib==3.0.2