doc: Open pickle file as binary

Closes: #15
Signed-off-by: Tormod Volden <[email protected]>
Signed-off-by: Jaroslav Kysela <[email protected]>

Author: tormodvolden

doc/APICoverage.py

@@ -72,7 +72,7 @@ def get_cached_parse(index_parser_list, name):
             if os.stat(source[2]).st_mtime > os.stat(name).st_mtime:
                 modified = True
         if not modified:
-            return pickle.load(open(name))
+            return pickle.load(open(name, "rb"))
 
     print("generating cache, file: %s" % name, end=' ')
     dict = {}