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-rw-r--r--src/engine/SCons/Environment.py9
1 files changed, 2 insertions, 7 deletions
diff --git a/src/engine/SCons/Environment.py b/src/engine/SCons/Environment.py
index d43a99f..5766523 100644
--- a/src/engine/SCons/Environment.py
+++ b/src/engine/SCons/Environment.py
@@ -39,8 +39,6 @@ import copy
import os
import os.path
import string
-import re
-import shutil
from UserDict import UserDict
import SCons.Action
@@ -417,11 +415,8 @@ class Base:
def scanner_map_delete(self, kw=None):
"""Delete the cached scanner map (if we need to).
"""
- if not kw is None:
- try:
- kw['SCANNERS']
- except KeyError:
- return
+ if not kw is None and not kw.has_key('SCANNERS'):
+ return
try:
del self.scanner_map
except AttributeError: