2b9a3a726493d66c526e3d8256178ff3e12c7e3c
max
  Fri Apr 28 16:48:03 2017 -0700
renaming pylib to pyLib after Angie's suggestion (thanks) and adding a better error message when graphviz was not found. refs #13634

diff --git .gitignore .gitignore
index 3a2f5ba..0a8e2a4 100644
--- .gitignore
+++ .gitignore
@@ -1,12 +1,13 @@
 *.o
 *.a
 .gitignore
 *~
 foo
 *.foo
 *.exe
 *.bak
 core
 core.*
 *.pyc
+*.pyo
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