Upgraded pygments to 2.2.0 for security vulnerability

cmichelQT · cmichelQT · commit 7032a92184bf · 2018-10-16T13:26:59.000-04:00
SourceClear Report: https://quantopian.sourceclear.io/teams/zQQS018/issues/vulnerabilities/5072351/7658252 CVE: CVE-2015-8557
diff --git a/etc/requirements_dev.txt b/etc/requirements_dev.txt
@@ -10,7 +10,7 @@ xlrd==0.9.4
 # These are required by mock or its dependencies
 Jinja2==2.9.6
 funcsigs==1.0.2
-Pygments==2.0.2
+Pygments==2.2.0
 alabaster==0.7.6
 babel==1.3
 docutils==0.12
