Comment out matplotlib optional requirement.

theengineear · theengineear · commit b6db33c0e5b1 · 2015-10-21T19:54:19.000+07:00
diff --git a/optional-requirements.txt b/optional-requirements.txt
@@ -9,7 +9,7 @@
 numpy
 
 ## matplotlylib dependencies ##
-matplotlib==1.3.1
+# matplotlib==1.3.1
 
 ## testing dependencies ##
 nose==1.3.3
