diff --git a/litellm/utils.py b/litellm/utils.py
index 77cffe3ad..caf6a994b 100644
--- a/litellm/utils.py
+++ b/litellm/utils.py
@@ -89,7 +89,7 @@ class Message(OpenAIObject):
         self.logprobs = logprobs
 
 class Delta(OpenAIObject):
-    def __init__(self, content="default", logprobs=None, **params):
+    def __init__(self, content=" ", logprobs=None, **params):
         super(Delta, self).__init__(**params)
         self.content = content
         self.logprobs = logprobs
diff --git a/pyproject.toml b/pyproject.toml
index 694b3660b..0f76f5d35 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "litellm"
-version = "0.1.634"
+version = "0.1.635"
 description = "Library to easily interface with LLM API providers"
 authors = ["BerriAI"]
 license = "MIT License"