BaseTools: Replace StandardError with Expression

[mirror_edk2.git] / BaseTools / Source / Python / build / build.py

diff --git a/BaseTools/Source/Python/build/build.py b/BaseTools/Source/Python/build/build.py
index 416aa73549d115b1acfe877c45aa836f73e7200f..344b006bc4245f92b1d4b657d8998dfb934f3cb5 100644 (file)
--- a/BaseTools/Source/Python/build/build.py
+++ b/BaseTools/Source/Python/build/build.py
@@ -77,7 +77,7 @@ TmpTableDict = {}
 #   Otherwise, False is returned\r
 #\r
 def IsToolInPath(tool):\r
-    if os.environ.has_key('PATHEXT'):\r
+    if 'PATHEXT' in os.environ:\r
         extns = os.environ['PATHEXT'].split(os.path.pathsep)\r
     else:\r
         extns = ('',)\r