Re-add missing attribute assignment
This was added in the 1.6.4 SDK.
@@ -2595,6 +2595,7 @@ class ModuleManager(object):
Returns:
True if one or more files have been modified, False otherwise.
"""
+ self._dirty = True
for name, (mtime, fname) in self._modification_times.iteritems():
if name not in self._modules:
