Update handler.py

remove to device call, since it is already a parameter

handler.py

@@ -19,7 +19,7 @@ from RealESRGAN import RealESRGAN
 class EndpointHandler():
     def __init__(self, path="."):
         self.device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
-        self.model = RealESRGAN(self.device, scale=4).to(self.device)
+        self.model = RealESRGAN(self.device, scale=4)
         self.model.load_weights('/repository/RealESRGAN_x4.pth', download=True)