InvalidArgumentError about 305_tensorboard.py

[wangzhanxd]

InvalidArgumentError Traceback (most recent call last)
D:\ProgramData\envs\tensorflow1\lib\site-packages\tensorflow\python\client\session.py in _do_call(self, fn, *args)
1291 try:
-> 1292 return fn(*args)
1293 except errors.OpError as e:

D:\ProgramData\envs\tensorflow1\lib\site-packages\tensorflow\python\client\session.py in _run_fn(feed_dict, fetch_list, target_list, options, run_metadata)
1276 return self._call_tf_sessionrun(
-> 1277 options, feed_dict, fetch_list, target_list, run_metadata)
1278

D:\ProgramData\envs\tensorflow1\lib\site-packages\tensorflow\python\client\session.py in _call_tf_sessionrun(self, options, feed_dict, fetch_list, target_list, run_metadata)
1366 self._session, options, feed_dict, fetch_list, target_list,
-> 1367 run_metadata)
1368

InvalidArgumentError: You must feed a value for placeholder tensor 'input/y_input' with dtype float and shape [?,1]
[[{{node input/y_input}} = Placeholderdtype=DT_FLOAT, shape=[?,1], _device="/job:localhost/replica:0/task:0/device:CPU:0"]]

During handling of the above exception, another exception occurred:

InvalidArgumentError Traceback (most recent call last)
in ()
41 for step in range(100):
42 # train and net output
---> 43 _, result = sess.run([train_op, merge_op], {tf_x: x, tf_y: y})
44 writer.add_summary(result, step)
45

D:\ProgramData\envs\tensorflow1\lib\site-packages\tensorflow\python\client\session.py in run(self, fetches, feed_dict, options, run_metadata)
885 try:
886 result = self._run(None, fetches, feed_dict, options_ptr,
--> 887 run_metadata_ptr)
888 if run_metadata:
889 proto_data = tf_session.TF_GetBuffer(run_metadata_ptr)

D:\ProgramData\envs\tensorflow1\lib\site-packages\tensorflow\python\client\session.py in _run(self, handle, fetches, feed_dict, options, run_metadata)
1108 if final_fetches or final_targets or (handle and feed_dict_tensor):
1109 results = self._do_run(handle, final_targets, final_fetches,
-> 1110 feed_dict_tensor, options, run_metadata)
1111 else:
1112 results = []

D:\ProgramData\envs\tensorflow1\lib\site-packages\tensorflow\python\client\session.py in _do_run(self, handle, target_list, fetch_list, feed_dict, options, run_metadata)
1284 if handle is None:
1285 return self._do_call(_run_fn, feeds, fetches, targets, options,
-> 1286 run_metadata)
1287 else:
1288 return self._do_call(_prun_fn, handle, feeds, fetches)

D:\ProgramData\envs\tensorflow1\lib\site-packages\tensorflow\python\client\session.py in _do_call(self, fn, *args)
1306 self._config.experimental.client_handles_error_formatting):
1307 message = error_interpolation.interpolate(message, self._graph)
-> 1308 raise type(e)(node_def, op, message)
1309
1310 def _extend_graph(self):

InvalidArgumentError: You must feed a value for placeholder tensor 'input/y_input' with dtype float and shape [?,1]
[[{{node input/y_input}} = Placeholderdtype=DT_FLOAT, shape=[?,1], _device="/job:localhost/replica:0/task:0/device:CPU:0"]]

Caused by op 'input/y_input', defined at:
File "D:\ProgramData\envs\tensorflow1\lib\runpy.py", line 193, in _run_module_as_main
"main", mod_spec)
File "D:\ProgramData\envs\tensorflow1\lib\runpy.py", line 85, in run_code
exec(code, run_globals)
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\ipykernel_main.py", line 3, in
app.launch_new_instance()
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\traitlets\config\application.py", line 658, in launch_instance
app.start()
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\ipykernel\kernelapp.py", line 477, in start
ioloop.IOLoop.instance().start()
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\zmq\eventloop\ioloop.py", line 177, in start
super(ZMQIOLoop, self).start()
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\tornado\ioloop.py", line 888, in start
handler_func(fd_obj, events)
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\tornado\stack_context.py", line 277, in null_wrapper
return fn(*args, **kwargs)
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\zmq\eventloop\zmqstream.py", line 440, in _handle_events
self._handle_recv()
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\zmq\eventloop\zmqstream.py", line 472, in _handle_recv
self._run_callback(callback, msg)
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\zmq\eventloop\zmqstream.py", line 414, in _run_callback
callback(*args, **kwargs)
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\tornado\stack_context.py", line 277, in null_wrapper
return fn(*args, **kwargs)
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\ipykernel\kernelbase.py", line 283, in dispatcher
return self.dispatch_shell(stream, msg)
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\ipykernel\kernelbase.py", line 235, in dispatch_shell
handler(stream, idents, msg)
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\ipykernel\kernelbase.py", line 399, in execute_request
user_expressions, allow_stdin)
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\ipykernel\ipkernel.py", line 196, in do_execute
res = shell.run_cell(code, store_history=store_history, silent=silent)
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\ipykernel\zmqshell.py", line 533, in run_cell
return super(ZMQInteractiveShell, self).run_cell(*args, **kwargs)
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\IPython\core\interactiveshell.py", line 2698, in run_cell
interactivity=interactivity, compiler=compiler, result=result)
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\IPython\core\interactiveshell.py", line 2802, in run_ast_nodes
if self.run_code(code, result):
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\IPython\core\interactiveshell.py", line 2862, in run_code
exec(code_obj, self.user_global_ns, self.user_ns)
File "", line 30, in
ys=tf.placeholder(tf.float32,[None,1],name = 'y_input')
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\tensorflow\python\ops\array_ops.py", line 1745, in placeholder
return gen_array_ops.placeholder(dtype=dtype, shape=shape, name=name)
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\tensorflow\python\ops\gen_array_ops.py", line 6038, in placeholder
"Placeholder", dtype=dtype, shape=shape, name=name)
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\tensorflow\python\framework\op_def_library.py", line 787, in _apply_op_helper
op_def=op_def)
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\tensorflow\python\util\deprecation.py", line 488, in new_func
return func(*args, **kwargs)
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\tensorflow\python\framework\ops.py", line 3272, in create_op
op_def=op_def)
File "D:\ProgramData\envs\tensorflow1\lib\site-packages\tensorflow\python\framework\ops.py", line 1768, in init
self._traceback = tf_stack.extract_stack()

InvalidArgumentError (see above for traceback): You must feed a value for placeholder tensor 'input/y_input' with dtype float and shape [?,1]
[[{{node input/y_input}} = Placeholderdtype=DT_FLOAT, shape=[?,1], _device="/job:localhost/replica:0/task:0/device:CPU:0"]]