Traceback (most recent call last):


 "save_model.py", line 58, in <module>

app.run(main)


 "C:\Users\mazat\Anaconda3\envs\tf21\lib\site-packages\absl\app.py", line 299, in run

_run_main(main, args)


 "C:\Users\mazat\Anaconda3\envs\tf21\lib\site-packages\absl\app.py", line 250, in _run_main

sys.exit(main(argv))


 "save_model.py", line 54, in main

save_tf()


 "save_model.py", line 36, in save_tf

output_tensors = decode(fm, FLAGS.input_size // 16, NUM_CLASS, STRIDES, ANCHORS, i, XYSCALE, FLAGS.framework)


 "C:\Users\mazat\Documents\Python\Yolov4\core\yolov4.py", line 169, in decode

return decode_tf(conv_output, output_size, NUM_CLASS, STRIDES, ANCHORS, i=i, XYSCALE=XYSCALE)


 "C:\Users\mazat\Documents\Python\Yolov4\core\yolov4.py", line 204, in decode_tf

xy_grid = tf.tile(tf.expand_dims(xy_grid, axis=0), [batch_size, 1, 1, 3, 1])


 "C:\Users\mazat\Anaconda3\envs\tf21\lib\site-packages\tensorflow_core\python\ops\gen_array_ops.py", line 10397, in tile

input, multiples, name=name, ctx=_ctx)


 "C:\Users\mazat\Anaconda3\envs\tf21\lib\site-packages\tensorflow_core\python\ops\gen_array_ops.py", line 10433, in tile_eager_fallback

_attr_Tmultiples, (multiples,) = _execute.args_to_matching_eager([multiples], ctx, _dtypes.int32)


 "C:\Users\mazat\Anaconda3\envs\tf21\lib\site-packages\tensorflow_core\python\eager\execute.py", line 263, in args_to_matching_eager

t, dtype, preferred_dtype=default_dtype, ctx=ctx))


 "C:\Users\mazat\Anaconda3\envs\tf21\lib\site-packages\tensorflow_core\python\framework\ops.py", line 1314, in convert_to_tensor

ret = conversion_func(value, dtype=dtype, name=name, as_ref=as_ref)


 "C:\Users\mazat\Anaconda3\envs\tf21\lib\site-packages\tensorflow_core\python\ops\array_ops.py", line 1368, in _autopacking_conversion_function

return _autopacking_helper(v, dtype, name or "packed")


 "C:\Users\mazat\Anaconda3\envs\tf21\lib\site-packages\tensorflow_core\python\ops\array_ops.py", line 1304, in _autopacking_helper

return gen_array_ops.pack(elems_as_tensors, name=scope)


 "C:\Users\mazat\Anaconda3\envs\tf21\lib\site-packages\tensorflow_core\python\ops\gen_array_ops.py", line 5704, in pack

"Pack", values=values, axis=axis, name=name)


 "C:\Users\mazat\Anaconda3\envs\tf21\lib\site-packages\tensorflow_core\python\framework\op_def_library.py", line 742, in _apply_op_helper

attrs=attr_protos, op_def=op_def)


 "C:\Users\mazat\Anaconda3\envs\tf21\lib\site-packages\tensorflow_core\python\framework\func_graph.py", line 595, in _create_op_internal

compute_device)


 "C:\Users\mazat\Anaconda3\envs\tf21\lib\site-packages\tensorflow_core\python\framework\ops.py", line 3322, in _create_op_internal

op_def=op_def)


 "C:\Users\mazat\Anaconda3\envs\tf21\lib\site-packages\tensorflow_core\python\framework\ops.py", line 1786, in __init__

control_input_ops)


 "C:\Users\mazat\Anaconda3\envs\tf21\lib\site-packages\tensorflow_core\python\framework\ops.py", line 1622, in _create_c_op

raise ValueError(str(e))
ValueError: Duplicate node name in graph: 'packed'

Traceback (most recent call last):

 "youtube_dl\downloader\http.pyo", line 58, in real_download

 "youtube_dl\YoutubeDL.pyo", line 1231, in urlopen

 "urllib2.pyo", line 410, in open

 "urllib2.pyo", line 523, in http_response

 "urllib2.pyo", line 448, in error

 "urllib2.pyo", line 382, in _call_chain

 "urllib2.pyo", line 531, in http_error_defaultHTTPError: HTTP Error 500: Internal Server Error