将不是三通道的图像转换为三通道

pp.py

@@ -42,7 +42,7 @@ def download_image(url: str) -> Image.Image:
         else:
             response = requests.get(url)
             img = Image.open(io.BytesIO(response.content))
-        if img.mode != 'RGB'
+        if img.mode != 'RGB':
             img = img.convert('RGB')
         return img
     except Exception as e: