https://github.com/Python-SIP/sip/issues/95
https://github.com/Python-SIP/sip/commit/b6a7ec2453899
--- a/sipbuild/generator/resolver/resolver.py
+++ b/sipbuild/generator/resolver/resolver.py
@@ -39,4 +39,8 @@
         mod.py_name = mod.fq_py_name.name.split('.')[-1]
 
+    # There is nothing else that needs doing for composite modules.
+    if spec.is_composite:
+        return
+
     # Set the default meta-type for the main module if it doesn't have one
     # explicitly set.