diff --git a/examples/miniedit.py b/examples/miniedit.py
index bb0ec99..c1057c6 100755
--- a/examples/miniedit.py
+++ b/examples/miniedit.py
@@ -24,6 +24,7 @@ import sys
 from optparse import OptionParser
 from subprocess import call
 
+# pylint: disable=import-error
 if sys.version_info[0] == 2:
     from Tkinter import ( Frame, Label, LabelFrame, Entry, OptionMenu,
                           Checkbutton, Menu, Toplevel, Button, BitmapImage,
@@ -32,11 +33,9 @@ if sys.version_info[0] == 2:
                           CENTER, RIGHT, LEFT, BOTH, TRUE, FALSE )
     from ttk import Notebook
     from tkMessageBox import showerror
-    from subprocess import call
     import tkFont
     import tkFileDialog
     import tkSimpleDialog
-    import tkFileDialog
 else:
     from tkinter import ( Frame, Label, LabelFrame, Entry, OptionMenu,
                           Checkbutton, Menu, Toplevel, Button, BitmapImage,
@@ -48,6 +47,7 @@ else:
     from tkinter import font as tkFont
     from tkinter import simpledialog as tkSimpleDialog
     from tkinter import filedialog as tkFileDialog
+# pylint: enable=import-error
 
 import re
 import json
diff --git a/mininet/node.py b/mininet/node.py
index 8b6f8cf..3c61393 100644
--- a/mininet/node.py
+++ b/mininet/node.py
@@ -89,7 +89,7 @@ class Node( object ):
         self.inNamespace = params.get( 'inNamespace', inNamespace )
 
         # Python 3 complains if we don't wait for shell exit
-        self.waitExited = params.get( 'waitExited', Python3 == True )
+        self.waitExited = params.get( 'waitExited', Python3 )
 
         # Stash configuration parameters for future reference
         self.params = params