Update requirements.txt

Skvm · web-flow · commit 2711f0ba1d08 · 2017-08-16T19:19:48.000+01:00
26_stock_scraper requires lxml
diff --git a/requirements.txt b/requirements.txt
@@ -2,3 +2,4 @@ beautifulsoup4==4.4.1
 PyYAML==3.11
 requests==2.12.4
 wheel==0.24.0
+lxml==3.8.0
