Split Python compatibility adaptation code out of ModulePreamble section and...

Split Python compatibility adaptation code out of ModulePreamble section and into its own separate section to allow moving it around and support using CYTHON_INLINE etc. in it.

Cython/Compiler/ModuleNode.py

@@ -639,6 +639,7 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
             self._put_setup_code(code, "CppInitCode")
         else:
             self._put_setup_code(code, "CInitCode")
+        self._put_setup_code(code, "PythonCompatibility")
         self._put_setup_code(code, "MathInitCode")
 
         if options.c_line_in_traceback: