Encode to utf8 before sending request

Author: John Miller

setup.py

@@ -4,7 +4,7 @@
 import subprocess
 
 setup(name="stitchclient",
-      version="0.4.3",
+      version="0.4.4",
       description="A Stitch API client for Python",
       author="Stitch",
       author_email="support@stitchdata.com",

stitchclient/client.py

@@ -126,7 +126,7 @@ def _stitch_request(self, body):
 
     def _send_batch(self, batch):
         logger.debug("Sending batch of %s entries", len(batch))
-        body = self._serialize_entries(batch)
+        body = self._serialize_entries(batch).encode('utf8')
         response = self._stitch_request(body)
 
         if response.status_code < 300: