Fix small nits.

pylint is useful to catch errors before they go live so fix little annoyances.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/3372001

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@58817 0039d316-1c4b-4281-b951-d872f2087c98

gclient.py

@@ -142,6 +142,7 @@ class Dependency(GClientKeywords, gclient_utils.WorkItem):
   def __init__(self, parent, name, url, safesync_url, custom_deps,
                custom_vars, deps_file, should_process):
     GClientKeywords.__init__(self)
+    gclient_utils.WorkItem.__init__(self)
     self.parent = parent
     self.name = name
     self.url = url

gclient_scm.py

@@ -8,7 +8,6 @@ import logging
 import os
 import posixpath
 import re
-import subprocess
 import sys
 import time
 

pylintrc

@@ -35,6 +35,7 @@ load-plugins=
 # C0103: Invalid name ""
 # C0111: Missing docstring
 # C0302: Too many lines in module (N)
+# R0901: Too many ancestors (8/7)
 # R0902: Too many instance attributes (N/7)
 # R0903: Too few public methods (N/2)
 # R0911: Too many return statements (N/6)
@@ -47,7 +48,7 @@ load-plugins=
 # W0603: Using the global statement
 # W0613: Unused argument ''
 # W6501: Specify string format arguments as logging function parameters
-disable=C0103,C0111,C0302,R0902,R0903,R0911,R0912,R0913,R0914,R0915,W0122,W0141,W0603,W0613,W6501
+disable=C0103,C0111,C0302,R0901,R0902,R0903,R0911,R0912,R0913,R0914,R0915,W0122,W0141,W0603,W0613,W6501
 
 
 [REPORTS]