Traceback (most recent call last):


 "/Users/rkn/anaconda3/bin/ray", line 11, in <module>

load_entry_point('ray', 'console_scripts', 'ray')()


 "/Users/rkn/Workspace/ray/python/ray/scripts/scripts.py", line 276, in main

return cli()


 "/Users/rkn/anaconda3/lib/python3.6/site-packages/click/core.py", line 722, in __call__

return self.main(*args, **kwargs)


 "/Users/rkn/anaconda3/lib/python3.6/site-packages/click/core.py", line 697, in main

rv = self.invoke(ctx)


 "/Users/rkn/anaconda3/lib/python3.6/site-packages/click/core.py", line 1066, in invoke

return _process_result(sub_ctx.command.invoke(sub_ctx))


 "/Users/rkn/anaconda3/lib/python3.6/site-packages/click/core.py", line 895, in invoke

return ctx.invoke(self.callback, **ctx.params)


 "/Users/rkn/anaconda3/lib/python3.6/site-packages/click/core.py", line 535, in invoke

return callback(*args, **kwargs)


 "/Users/rkn/Workspace/ray/python/ray/scripts/scripts.py", line 260, in create_or_update

cluster_config_file, min_workers, max_workers, no_restart)


 "/Users/rkn/Workspace/ray/python/ray/autoscaler/commands.py", line 27, in create_or_update_cluster

validate_config(config)


 "/Users/rkn/Workspace/ray/python/ray/autoscaler/autoscaler.py", line 479, in validate_config

validate_config(config[k], schema[k])


 "/Users/rkn/Workspace/ray/python/ray/autoscaler/autoscaler.py", line 472, in validate_config

k, v.__name__))
ValueError: Missing required config key `availability_zone` of type str

Traceback (most recent call last):



 "<ipython-input-33-9a3340a25db3>", line 1, in <module>

dataset = pd.read_csv("C:/Users/saraj/OneDrive/Desktop/AI/dataset.csv")



 "C:\Users\saraj\anaconda3\envs\AI project\lib\site-packages\pandas\io\parsers.py", line 688, in read_csv

return _read(filepath_or_buffer, kwds)



 "C:\Users\saraj\anaconda3\envs\AI project\lib\site-packages\pandas\io\parsers.py", line 460, in _read

data = parser.read(nrows)



 "C:\Users\saraj\anaconda3\envs\AI project\lib\site-packages\pandas\io\parsers.py", line 1213, in read

df = DataFrame(col_dict, columns=columns, index=index)



 "C:\Users\saraj\anaconda3\envs\AI project\lib\site-packages\pandas\core\frame.py", line 468, in __init__

mgr = init_dict(data, index, columns, dtype=dtype)



 "C:\Users\saraj\anaconda3\envs\AI project\lib\site-packages\pandas\core\internals\construction.py", line 259, in init_dict

if missing.any() and not is_integer_dtype(dtype):



 "C:\Users\saraj\anaconda3\envs\AI project\lib\site-packages\pandas\core\generic.py", line 11580, in logical_func

return self._reduce(



 "C:\Users\saraj\anaconda3\envs\AI project\lib\site-packages\pandas\core\series.py", line 4248, in _reduce

with np.errstate(all="ignore"):



 "C:\Users\saraj\anaconda3\envs\AI project\lib\site-packages\numpy\core\_ufunc_config.py", line 436, in __enter__

self.oldcall = seterrcall(self.call)



 "C:\Users\saraj\anaconda3\envs\AI project\lib\site-packages\numpy\core\_ufunc_config.py", line 308, in seterrcall

raise ValueError("Only callable can be used as callback")

ValueError: Only callable can be used as callback