support python 3.12 (#9304)

llama_index/embeddings/openai.py

@@ -302,6 +302,7 @@ class OpenAIEmbedding(BaseEmbedding):
 
         self._client = None
         self._aclient = None
+        self._http_client = http_client
 
     def _get_client(self) -> OpenAI:
         if not self.reuse_client:

pyproject.toml

@@ -54,7 +54,7 @@ nltk = "^3.8.1"
 numpy = "*"
 openai = ">=1.1.0"
 pandas = "*"
-python = ">=3.8.1,<3.12"
+python = ">=3.8.1,<4.0"
 tenacity = ">=8.2.0,<9.0.0"
 tiktoken = ">=0.3.3"
 typing-extensions = ">=4.5.0"