fix

Author: hiworldwzj

lightllm/utils/image_utils.py

@@ -15,15 +15,15 @@ def image2base64(img_str: str):
 
 async def fetch_image(url, timeout):
     async with httpx.AsyncClient() as client:
-        async with client.stream('GET', url, timeout=timeout) as response:
+        async with client.stream("GET", url, timeout=timeout) as response:
             response.raise_for_status()
             ans_bytes = []
 
-            async for chunk in response.aiter_bytes(chunk_size=1024*1024):
+            async for chunk in response.aiter_bytes(chunk_size=1024 * 1024):
                 ans_bytes.append(chunk)
                 # 接收的数据不能大于128M
                 if len(ans_bytes) > 128:
                     raise Exception("image data is too big")
-                
+
             content = b"".join(ans_bytes)
-            return content
+            return content