Traceback (most recent call last):


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/bin/pipenv", line 11, in <module>

load_entry_point('pipenv==2018.11.26', 'console_scripts', 'pipenv')()


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/click/core.py", line 764, in __call__

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


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/click/core.py", line 717, in main

rv = self.invoke(ctx)


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/click/core.py", line 1114, in invoke

return Command.invoke(self, ctx)


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/click/core.py", line 956, in invoke

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


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/click/core.py", line 555, in invoke

return callback(*args, **kwargs)


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/click/decorators.py", line 64, in new_func

return ctx.invoke(f, obj, *args, **kwargs)


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/click/core.py", line 555, in invoke

return callback(*args, **kwargs)


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/click/decorators.py", line 17, in new_func

return f(get_current_context(), *args, **kwargs)


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/cli/command.py", line 208, in cli

clear=state.clear,


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/core.py", line 574, in ensure_project

pypi_mirror=pypi_mirror,


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/core.py", line 494, in ensure_virtualenv

python = ensure_python(three=three, python=python)


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/core.py", line 397, in ensure_python

path_to_python = find_a_system_python(python)


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/core.py", line 360, in find_a_system_python

python_entry = finder.find_python_version(line)


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/pythonfinder/pythonfinder.py", line 114, in find_python_version

major=major, minor=minor, patch=patch, pre=pre, dev=dev, arch=arch, name=name


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/pythonfinder/models/path.py", line 396, in find_python_version

ver = next(iter(self.get_pythons(sub_finder)), None)


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/pythonfinder/models/path.py", line 279, in get_pythons

reverse=True


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/pythonfinder/models/path.py", line 277, in <genexpr>

(p for p in self._filter_paths(finder) if p.is_python),


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/pythonfinder/models/path.py", line 264, in <genexpr>

pth for pth in unnest(finder(p) for p in self.path_entries if p is not None)


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/pythonfinder/utils.py", line 251, in unnest

for el in target:


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/pythonfinder/models/path.py", line 264, in <genexpr>

pth for pth in unnest(finder(p) for p in self.path_entries if p is not None)


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/pythonfinder/models/mixins.py", line 121, in find_python_version

for child in unnest(self.pythons.values())


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/pythonfinder/models/path.py", line 531, in pythons

for path, entry in self.children.items():


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/cached_property.py", line 35, in __get__

value = obj.__dict__[self.func.__name__] = self.func(obj)


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/pythonfinder/models/path.py", line 501, in children

for child_key, child_val in self._gen_children():


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/pythonfinder/models/path.py", line 493, in _gen_children

entry = PathEntry.create(path=child, **pass_args)


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/pythonfinder/models/path.py", line 575, in create

_new = cls(**creation_args)


 "<attrs generated init 1a09b6b4079853a4cc09cce25e1be993e3a3d1a6>", line 16, in __init__


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/pythonfinder/models/path.py", line 518, in get_py_version

py_version = PythonVersion.from_path(path=self, name=self.name)


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/pythonfinder/models/python.py", line 395, in from_path

py_version = get_python_version(path.path.absolute().as_posix())


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/pythonfinder/utils.py", line 68, in get_python_version

combine_stderr=False, write_to_stdout=False)


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/vistir/misc.py", line 314, in run

write_to_stdout=True


 "/usr/local/Cellar/pipenv/2018.11.26_1/libexec/lib/python3.7/site-packages/pipenv/vendor/vistir/misc.py", line 162, in _create_subprocess

sys.stderr.write("Error %s while executing command %s", exc, " ".join(cmd._parts))
TypeError: write() takes exactly one argument (3 given)

Traceback (most recent call last):


 "tools/eval.py", line 180, in <module>

main()


 "tools/eval.py", line 71, in main

fetches = model.eval(feed_vars)


 "/Users/ximinlin/Documents/PaddleDetection/ppdet/modeling/architectures/yolo.py", line 172, in eval

return self.build(feed_vars, mode='test')


 "/Users/ximinlin/Documents/PaddleDetection/ppdet/modeling/architectures/yolo.py", line 103, in build

body_feats, im_size, exclude_nms=exclude_nms)


 "/Users/ximinlin/Documents/PaddleDetection/ppdet/modeling/anchor_heads/yolo_head.py", line 455, in get_prediction

pred = self.nms(bboxes=yolo_boxes, scores=yolo_scores)
TypeError: 'MatrixNMS' object is not callable
