问题描述
我试图在 Windows 10 PC 中的 c 程序上的代码块 IDE 上打开一个 png 文件，但我收到“没有这样的文件或目录”错误，尽管我在该文件夹中有图像。我已经尝试将路径包含在内，但仍然遇到相同的错误。
def scatter_feature(data,feature_name):
"""
This function returns a scatter plot for the particular `feature_name` v Price
`data` should be a `DataFrame`
`feature_name` should be a string
"""
scatter = Scatter(data,x= feature_name,y='Price',xlabel=feature_name,ylabel='Price')
output_file('scatter.html')
return scatter
show(scatter_feature(data,'Mileage'))
show(scatter_feature(data,'Year'))
AttributeError Traceback (most recent call last)
<ipython-input-109-97dc81ee03de> in <module>()
11 return scatter
12
---> 13 show(scatter_feature(data,'Mileage'))
14 show(scatter_feature(data,'Year'))
/opt/conda/lib/python3.5/site-packages/bokeh/io.py in show(obj,browser,new,notebook_handle)
297 '''
298 if obj not in _state.document.roots:
--> 299 _state.document.add_root(obj)
300 return _show_with_state(obj,_state,notebook_handle=notebook_handle)
301
/opt/conda/lib/python3.5/site-packages/bokeh/document.py in add_root(self,model,setter)
526 self._roots.append(model)
527 finally:
--> 528 self._pop_all_models_freeze()
529 self._trigger_on_change(RootAddedEvent(self,setter))
530
/opt/conda/lib/python3.5/site-packages/bokeh/document.py in _pop_all_models_freeze(self)
383 self._all_models_freeze_count -= 1
384 if self._all_models_freeze_count == 0:
--> 385 self._recompute_all_models()
386
387 def _invalidate_all_models(self):
/opt/conda/lib/python3.5/site-packages/bokeh/document.py in _recompute_all_models(self)
393 new_all_models_set = set()
394 for r in self.roots:
--> 395 new_all_models_set = new_all_models_set.union(r.references())
396 old_all_models_set = set(self._all_models.values())
397 to_detach = old_all_models_set - new_all_models_set
AttributeError: 'nonetype' object has no attribute 'references'
解决方法
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