remove dependency against graphviz and matplotlib, that easily break the whole instal...

diff --git a/setup.py b/setup.py
index c4311b4..ef584b0 100755 (executable)
--- a/setup.py
+++ b/setup.py
@@ -56,7 +56,10 @@ setup(
     install_requires = [
         "ipaddr",
         "networkx",
-        "pygraphviz",
-        "matplotlib",
+        # refrain from mentioning these ones that are not exactly crucial
+        # and that have additional, non-python, dependencies
+        # that can easily break the whole install
+        # "matplotlib",
+        # "pygraphviz",
         ]
 )