Merge pull request #346 from chrismdd/chrism/fix-unicode-error

Remove redundant string conversion to prevent UnicodeEncodeError

Author: Yann

datadog/api/api_client.py

@@ -171,7 +171,7 @@ def submit(cls, method, path, body=None, attach_host_name=False, response_format
         except ApiError as e:
             if _mute:
                 for error in e.args[0]['errors']:
-                    log.error(str(error))
+                    log.error(error)
                 if error_formatter is None:
                     return e.args[0]
                 else: