More adjustments to graph make for pep8.

tools/graph_make.py

@@ -6,6 +6,8 @@ from devstack.progs import common
 
 distro = settings.RHEL6
 comps = common.get_default_components(distro)
+
+
 def filter_c(c):
     if not inspect.isclass(c):
         return False
@@ -13,6 +15,7 @@ def filter_c(c):
         return False
     return True
 
+
 action = settings.INSTALL
 klss = list()
 for c in comps.keys():
@@ -27,7 +30,3 @@ objgraph.show_refs(klss,
                 highlight=inspect.isclass,
                 filter=filter_c,
                 extra_ignore=[id(locals())])
-
-
-    
-