Add forgotten initialization.  Fixes bug #120994, "Traceback with
    DISTUTILS_DEBUG set"
diff --git a/Lib/distutils/command/install.py b/Lib/distutils/command/install.py
index 6aee1b3..806da01 100644
--- a/Lib/distutils/command/install.py
+++ b/Lib/distutils/command/install.py
@@ -146,6 +146,7 @@
         self.install_data = None
 
         self.compile = None
+        self.no_compile = None
         self.optimize = None
 
         # These two are for putting non-packagized distributions into their