update manifest file

rnpridgeon · rnpridgeon · commit ada0995f8928 · 2018-07-20T18:00:55.000-04:00
diff --git a/MANIFEST.in b/MANIFEST.in
@@ -1,3 +1,4 @@
 include README.md
 include LICENSE.txt
+include test-requirements.txt
 include confluent_kafka/src/*.[ch]
