smell: rename unused imports

bonobo/config/services.py

@@ -1,5 +1,3 @@
-import inspect
-import pprint
 import re
 import threading
 import types

bonobo/nodes/basics.py

@@ -58,8 +58,6 @@ class Limit(Configurable):
 
 
 def Tee(f):
-    from bonobo.constants import NOT_MODIFIED
-
     @functools.wraps(f)
     def wrapped(*args, **kwargs):
         nonlocal f