formatting tweaks

Demos/Makefile

@@ -7,6 +7,7 @@ test:	all
 	python run_spam.py
 	python integrate_timing.py
 	cd callback; $(MAKE) test
+
 	cd embed; $(MAKE) test
 clean:
 	@echo Cleaning Demos

Demos/callback/cheese.pyx

@@ -10,6 +10,5 @@ def find(f):
     find_cheeses(callback, <void*>f)
     
 cdef void callback(char *name, void *f):
-    the_name = <bytes> name
-    (<object>f)(the_name.decode('utf-8'))
+    (<object>f)(name.decode('utf-8'))