o1 - add image param handling (#7312)

* fix(openai.py): fix returning o1 non-streaming requests

fixes issue where fake stream always true for o1

* build(model_prices_and_context_window.json): add 'supports_vision' for o1 models

* fix: add internal server error exception mapping

* fix(base_llm_unit_tests.py): drop temperature from test

* test: mark prompt caching as a flaky test

tests/llm_translation/test_openai.py

@@ -280,6 +280,19 @@ class TestOpenAIChatCompletion(BaseLLMChatTest):
         """Test that tool calls with no arguments is translated correctly. Relevant issue: https://github.com/BerriAI/litellm/issues/6833"""
         pass
 
+    def test_multilingual_requests(self):
+        """
+        Tests that the provider can handle multilingual requests and invalid utf-8 sequences
+
+        Context: https://github.com/openai/openai-python/issues/1921
+        """
+        base_completion_call_args = self.get_base_completion_call_args()
+        response = self.completion_function(
+            **base_completion_call_args,
+            messages=[{"role": "user", "content": "你好世界！\ud83e, ö"}],
+        )
+        assert response is not None
+
 
 def test_completion_bad_org():
     import litellm