Attribute Error while opening .iso

[charanjit-singh]

╭─charanjit@22G ~ 
╰─$ usb-creator-gtk 

(usb-creator-gtk:12666): Gtk-WARNING **: 22:04:09.099: Theme parsing error: gtk-contained.css:2848:13: Expected a length

(usb-creator-gtk:12666): Gtk-WARNING **: 22:04:09.100: Theme parsing error: gtk-contained.css:2880:37: The :prelight pseudo-class is deprecated. Use :hover instead.
isoinfo: Unable to find Joliet SVD
isoinfo: Unable to find Joliet SVD
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/usbcreator/frontends/gtk/frontend.py", line 375, in motion_cb
    context.drag_status(Gdk.DragAction.COPY, time)
AttributeError: 'X11DragContext' object has no attribute 'drag_status'
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/usbcreator/frontends/gtk/frontend.py", line 375, in motion_cb
    context.drag_status(Gdk.DragAction.COPY, time)
AttributeError: 'X11DragContext' object has no attribute 'drag_status'
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/usbcreator/frontends/gtk/frontend.py", line 375, in motion_cb
    context.drag_status(Gdk.DragAction.COPY, time)
AttributeError: 'X11DragContext' object has no attribute 'drag_status'
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/usbcreator/frontends/gtk/frontend.py", line 375, in motion_cb
    context.drag_status(Gdk.DragAction.COPY, time)
AttributeError: 'X11DragContext' object has no attribute 'drag_status'
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/usbcreator/frontends/gtk/frontend.py", line 375, in motion_cb
    context.drag_status(Gdk.DragAction.COPY, time)
AttributeError: 'X11DragContext' object has no attribute 'drag_status'
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/usbcreator/frontends/gtk/frontend.py", line 375, in motion_cb
    context.drag_status(Gdk.DragAction.COPY, time)
AttributeError: 'X11DragContext' object has no attribute 'drag_status'
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/usbcreator/frontends/gtk/frontend.py", line 375, in motion_cb
    context.drag_status(Gdk.DragAction.COPY, time)
AttributeError: 'X11DragContext' object has no attribute 'drag_status'
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/usbcreator/frontends/gtk/frontend.py", line 381, in drop_cb
    w.drag_get_data(context, target)
TypeError: Gtk.Widget.drag_get_data() takes exactly 4 arguments (3 given)
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/usbcreator/frontends/gtk/frontend.py", line 388, in data_received_cb
    file = selection.data.strip('\r\n\x00')
AttributeError: 'SelectionData' object has no attribute 'data'

[charanjit-singh]

Tho I used usb-creator-gtk -i Downloads/pop-os_19.10_amd64_intel_11.iso to make it work for me