NameError: Name Is Not Defined In Python - Python Guides
pythonguides.com › nameerror-name-is-not-definedAug 24, 2020 · NameError: name is not defined. In python, nameerror name is not defined is raised when we try to use the variable or function name which is not valid. Example: value = ['Mango', 'Apple', 'Orange'] print(values) After writing the above code, Ones you will print “ values ” then the error will appear as a “ NameError: name ‘values’ is not defined ”. Here, the variable name values are spelled wrong, so we get this error.
NameError: global name 'add_history' is not defined · Issue ...
github.com › quantopian › ziplineSep 28, 2018 · # history only applies to trade bars we supply. # here i'm accumulating a history of csi in a dict if 'CSI300' in data: context.csi_hist[get_datetime()] = \ {'high':data['CSI300']['high'], 'low':data['CSI300']['low']} # Skip first 4 days to get full windows context.i += 1 if context.i < context.window: return # make a dataframe of the csi300 csi_df = pd.DataFrame.from_dict(context.csi_hist ...