Can't use Pickle. AttributeError: 'module' object has no attribute '_new_Index'

[GeoffreyMgardon]

BPO	25861
Nosy	@pitrou, @avassalotti, @serhiy-storchaka
Files	FigureTrajAndDeviation.py: Plot Eye movement trajectories, you need the data file to actually run it.

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2015-12-14.15:25:47.437>
created_at = <Date 2015-12-14.14:35:30.474>
labels = ['type-bug', 'library']
title = "Can't use Pickle. AttributeError: 'module' object has no attribute '_new_Index'"
updated_at = <Date 2015-12-14.16:27:44.729>
user = 'https://bugs.python.org/GeoffreyMgardon'

bugs.python.org fields:

activity = <Date 2015-12-14.16:27:44.729>
actor = 'r.david.murray'
assignee = 'none'
closed = True
closed_date = <Date 2015-12-14.15:25:47.437>
closer = 'serhiy.storchaka'
components = ['Library (Lib)']
creation = <Date 2015-12-14.14:35:30.474>
creator = 'Geoffrey M\xc3\xa9gardon'
dependencies = []
files = ['41305']
hgrepos = []
issue_num = 25861
keywords = []
message_count = 2.0
messages = ['256379', '256380']
nosy_count = 4.0
nosy_names = ['pitrou', 'alexandre.vassalotti', 'serhiy.storchaka', 'Geoffrey M\xc3\xa9gardon']
pr_nums = []
priority = 'normal'
resolution = 'third party'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue25861'
versions = ['Python 2.7']

[GeoffreyMgardon]

Hello,

I am trying to run a piece of code that I programmed some time ago.
Back then, it was working fine and it was plotting some data.
But today, while I am trying to improve the plots, I ran the code and did not work!

Here the message:

D:\Users\Geoffrey\Anaconda\python.exe "D:/Google Drive/Work/Experiences/experiment-deviation-initial/analysis/FigureTrajAndDeviation.py"
Traceback (most recent call last):
  File "D:/Google Drive/Work/Experiences/experiment-deviation-initial/analysis/FigureTrajAndDeviation.py", line 36, in <module>
    m = pickle.load( open(output_path+"/traj_and_RT_second_only.p", "rb" ) )
  File "D:\Users\Geoffrey\Anaconda\lib\pickle.py", line 1378, in load
    return Unpickler(file).load()
  File "D:\Users\Geoffrey\Anaconda\lib\pickle.py", line 858, in load
    dispatch[key](self)
  File "D:\Users\Geoffrey\Anaconda\lib\pickle.py", line 1090, in load_global
    klass = self.find_class(module, name)
  File "D:\Users\Geoffrey\Anaconda\lib\pickle.py", line 1126, in find_class
    klass = getattr(mod, name)
AttributeError: 'module' object has no attribute '_new_Index'

Process finished with exit code 1

I hope that you may now what it is about!!
I attached the code file.

[serhiy-storchaka]

_new_Index is a function used in pandas to unpickle its Index objects. Added 29 Jul 2014 (pandas-dev/pandas@8d3cb3f). May be your current pandas is older than that used for pickling.

In any case this is not a Python bug.