Collected profiles for 2 tasks.
Dumping task profile data to /var/folders/15/54jf68993rd7753c5fms424r0000gn/T/tmpm91862cq.json, this might take a while...
Creating JSON 6/2
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
~/Workspace/ray/python/ray/experimental/ui.py in handle_submit(sender)
    390                                              breakdowns=breakdown,
    391                                              obj_dep=obj_dep.value,
--> 392                                              task_dep=task_dep.value)
    393         print("Opening html file in browser...")
    394 

~/Workspace/ray/python/ray/experimental/state.py in dump_catapult_trace(self, path, task_info, breakdowns, task_dep, obj_dep)
    823         print("Creating JSON {}/{}".format(len(full_trace), len(task_info)))
    824         with open(path, "w") as outfile:
--> 825             json.dump(full_trace, outfile)
    826 
    827     def _get_times(self, data):

~/anaconda3/lib/python3.6/json/__init__.py in dump(obj, fp, skipkeys, ensure_ascii, check_circular, allow_nan, cls, indent, separators, default, sort_keys, **kw)
    177     # could accelerate with writelines in some versions of Python, at
    178     # a debuggability cost
--> 179     for chunk in iterable:
    180         fp.write(chunk)
    181 

~/anaconda3/lib/python3.6/json/encoder.py in _iterencode(o, _current_indent_level)
    426             yield _floatstr(o)
    427         elif isinstance(o, (list, tuple)):
--> 428             yield from _iterencode_list(o, _current_indent_level)
    429         elif isinstance(o, dict):
    430             yield from _iterencode_dict(o, _current_indent_level)

~/anaconda3/lib/python3.6/json/encoder.py in _iterencode_list(lst, _current_indent_level)
    323                 else:
    324                     chunks = _iterencode(value, _current_indent_level)
--> 325                 yield from chunks
    326         if newline_indent is not None:
    327             _current_indent_level -= 1

~/anaconda3/lib/python3.6/json/encoder.py in _iterencode_dict(dct, _current_indent_level)
    402                 else:
    403                     chunks = _iterencode(value, _current_indent_level)
--> 404                 yield from chunks
    405         if newline_indent is not None:
    406             _current_indent_level -= 1

~/anaconda3/lib/python3.6/json/encoder.py in _iterencode_dict(dct, _current_indent_level)
    402                 else:
    403                     chunks = _iterencode(value, _current_indent_level)
--> 404                 yield from chunks
    405         if newline_indent is not None:
    406             _current_indent_level -= 1

~/anaconda3/lib/python3.6/json/encoder.py in _iterencode_list(lst, _current_indent_level)
    323                 else:
    324                     chunks = _iterencode(value, _current_indent_level)
--> 325                 yield from chunks
    326         if newline_indent is not None:
    327             _current_indent_level -= 1

~/anaconda3/lib/python3.6/json/encoder.py in _iterencode(o, _current_indent_level)
    435                     raise ValueError("Circular reference detected")
    436                 markers[markerid] = o
--> 437             o = _default(o)
    438             yield from _iterencode(o, _current_indent_level)
    439             if markers is not None:

~/anaconda3/lib/python3.6/json/encoder.py in default(self, o)
    178         """
    179         raise TypeError("Object of type '%s' is not JSON serializable" %
--> 180                         o.__class__.__name__)
    181 
    182     def encode(self, o):

TypeError: Object of type 'bytes' is not JSON serializable