server : don't pass temperature as string

Author: ggerganov

examples/server/tests/features/steps/steps.py

@@ -883,7 +883,7 @@ async def request_completion(prompt,
                                     "cache_prompt": cache_prompt,
                                     "id_slot": id_slot,
                                     "seed": seed if seed is not None else 42,
-                                    "temperature": temperature if temperature is not None else "0.8f",
+                                    "temperature": temperature if temperature is not None else 0.8f,
                                     "n_probs": 2,
                                 },
                                 headers=headers,