Fix image file upload and download

implementation/image/openstack_image_manager.py

@@ -34,8 +34,8 @@ class OpenstackImageManager(ImageManager, OpenStackConnection):
 
         return self.os_image_to_rc_image(os_image)
 
-    def download(self, id):
-        return self.openstack.image.download_image(id)
+    def download(self, id, path):
+        return self.openstack.image.download_image(image=id, output=path)   
 
     def delete(self, id) -> bool:
         try:

interface/image/image_manager.py

 class ImageManager:
-    def __init__(self) -> None:
-        super().__init__()
-
     def upload_file(self, name, path, format):
         raise NotImplementedError
 
@@ -11,11 +8,6 @@ class ImageManager:
     def download(self, id):
         raise NotImplementedError
 
-    def download_to_file(self, id, path):
-        f = open(path, 'wb')
-        f.write(self.download(id))
-        f.close()
-
     def delete(self, id):
         raise NotImplementedError