Fix for bug https://github.com/yaml/pyyaml/issues/118

lib3/yaml/emitter.py

diff --git a/lib3/yaml/emitter.py b/lib3/yaml/emitter.py
index 5704bc8..a664d01 100644
--- a/lib3/yaml/emitter.py
+++ b/lib3/yaml/emitter.py
@@ -604,7 +604,7 @@
                 start = end = end+1
                 data = ch.encode('utf-8')
                 for ch in data:
-                    chunks.append('%%%02X' % ord(ch))
+                    chunks.append('%%%02X' % ch)
         if start < end:
             chunks.append(suffix[start:end])
         suffix_text = ''.join(chunks)