Fix import exception.

Scripts/Detail/Build.py

@@ -1,6 +1,6 @@
 #!/bin/echo "This module must be imported by other Python scripts."
 
-import os, platform, re, shutil, glob, distro, tempfile
+import os, platform, re, shutil, glob, tempfile
 
 from Detail.Config import config
 import Detail.Utility as utility
@@ -54,6 +54,7 @@ class BuildSystem:
       utility.printHeading( "Configuring version information..." )
 
       if platform.system() == "Linux":
+         import distro # TODO: Move 'import distro' to global scope when it supports cross platform
          platformInfo = list( distro.linux_distribution( full_distribution_name = False ) );
          platformInfo.append( platform.machine() )
          self.platformString = "-".join( platformInfo )