Remove trailing blank lines

Remove any blank lines at the end of all source files

python_modules/Makefile.am

@@ -3,4 +3,3 @@ NULL =
 PYTHON_MODULES = __init__.py codegen.py demarshal.py marshal.py ptypes.py spice_parser.py
 
 EXTRA_DIST = $(PYTHON_MODULES)
-

python_modules/spice_parser.py

@@ -159,4 +159,3 @@ def parse(filename):
         t.register()
     protocol = types[-1]
     return protocol
-