Update requirements.txt

The "graphviz" Python module is required. Clarify that within the requirements. (the graphviz/dot commands are needed at the OS level, but that can't be fixed here)
2020-07-04 01:51:29 -05:00 · 2020-07-04 01:51:29 -05:00 · 407026c9d6
commit 407026c9d6
parent fffb354d7c
1 changed files with 1 additions and 0 deletions
--- a/requirements.txt
+++ b/requirements.txt
@ -1 +1,2 @@
 .
+graphviz