ATLAS-4759: Python client - do not suppress HTTP 503 (SERVICE_UNAVAILABLE)

Signed-off-by: Madhan Neethiraj <madhan@apache.org>
diff --git a/intg/src/main/python/README.md b/intg/src/main/python/README.md
index 802bf8e..140e6c3 100644
--- a/intg/src/main/python/README.md
+++ b/intg/src/main/python/README.md
@@ -16,7 +16,7 @@
 
 Package      Version
 ------------ ---------
-apache-atlas 0.0.12
+apache-atlas 0.0.14
 ```
 
 ## Usage
diff --git a/intg/src/main/python/apache_atlas/client/base_client.py b/intg/src/main/python/apache_atlas/client/base_client.py
index 3f12929..7778397 100644
--- a/intg/src/main/python/apache_atlas/client/base_client.py
+++ b/intg/src/main/python/apache_atlas/client/base_client.py
@@ -100,6 +100,4 @@
         elif response.status_code == HTTPStatus.SERVICE_UNAVAILABLE:
             log.error("Atlas Service unavailable. HTTP Status: %s", HTTPStatus.SERVICE_UNAVAILABLE)
 
-            return None
-
         raise AtlasServiceException(api, response)
diff --git a/intg/src/main/python/setup.py b/intg/src/main/python/setup.py
index f0e16d0..daeaf62 100644
--- a/intg/src/main/python/setup.py
+++ b/intg/src/main/python/setup.py
@@ -28,7 +28,7 @@
 
 setup(
     name='apache-atlas',
-    version='0.0.12',
+    version='0.0.14',
     author="Apache Atlas",
     author_email='dev@atlas.apache.org',
     description="Apache Atlas Python Client",