Fix build/mac_toolchain.py for pylint warning.

build/mac_toolchain.py

Index: build/mac_toolchain.py
diff --git a/build/mac_toolchain.py b/build/mac_toolchain.py
index 4de6e05c6509f5aa3c36f932522e005fbaace2ca..4e04f961fe6a464888659d150be00ea0d468499e 100755
--- a/build/mac_toolchain.py
+++ b/build/mac_toolchain.py
@@ -109,7 +109,7 @@ def LoadPlist(path):
     os.unlink(name)
 
 
-def AcceptLicense(directory):

[justincohen, 2016/05/11 13:52:21]

and remove this.

+def AcceptLicense():
   """Use xcodebuild to accept new toolchain license if necessary.  Don't accept
   the license if a newer license has already been accepted. This only works if
   xcodebuild and xcode-select are passwordless in sudoers."""
@@ -135,7 +135,7 @@ def AcceptLicense(directory):
       # Don't accept the license of older toolchain builds, this will break the
       # license of newer builds.
       return
-  except (subprocess.CalledProcessError, KeyError) as e:
+  except (subprocess.CalledProcessError, KeyError):
     # If there's never been a license of type |build_type| accepted,
     # |target_license_plist_path| or |agreed_to_key| may not exist.
     pass
@@ -199,8 +199,9 @@ def main():
     print 'Toolchain %s unpacked.' % toolchain_revision
     WriteStampFile(toolchain_revision)
     return 0
-  except:
+  except Exception as e:
     print 'Failed to download toolchain %s.' % toolchain_file
+    print 'Exception %s' % e
     print 'Exiting.'
     return 1