Update to madgui 19.6.2

coldfix · coldfix · commit b54a76f9a6b9 · 2019-06-05T16:54:34.000+02:00
diff --git a/requirements.txt b/requirements.txt
@@ -1,4 +1,4 @@
 cpymad==1.2.1
 minrpc==0.0.11
-madgui==19.6.1
+madgui==19.6.2
 hit_acs==19.5.1
