Spyder: Spyder (Python 3.6) + Pandas 0.23 - Future Warning

[jspurs99]

Issue Report Checklist

• [x] Searched the issues page for similar reports
• [x] Read the relevant sections of the Spyder Troubleshooting Guide and followed its advice
• [x] Reproduced the issue after updating with conda update spyder (or pip, if not using Anaconda)
• [ ] Could not reproduce inside jupyter qtconsole (if console-related)
• [ ] Tried basic troubleshooting (if a bug/error)
  
  
  
  • [x] Restarted Spyder
  
  
  • [ ] Reset preferences with spyder --reset
  
  
  • [ ] Reinstalled the latest version of Anaconda
  
  
  • [x] Tried the other applicable steps from the Troubleshooting Guide
  
  
• [x] Completed the Problem Description, Steps to Reproduce and Version sections below

Problem Description

'FutureWarning' generated in error - appears to be a bug. Fresh install of Spyder Python 3.6.5 via Anaconda, just two lines of code in a new console (below) begin to trigger error - after a multi-hour work session. Thank you!

What steps reproduce the problem?

1. import pandas as pd
2. nov17_3mo = pd.date_range(end='2017-11-01', periods=3, freq='MS')
3.

What is the expected output? What do you see instead?

Object is created as requested - but I get additional error:
C:\Users\pjacob\AppData\Local\Continuum\anaconda3\lib\site-packages\spyder\widgets\variableexplorer\utils.py:414: FutureWarning: 'summary' is deprecated and will be removed in a future version.
display = value.summary()

Once it starts, this error comes up after every line of code executed in the console, e.g., print(1+1)

Paste Traceback/Error Below (if applicable)

PASTE TRACEBACK HERE

Versions

• Spyder version: 3.2.8
• Python version: 3.6.5
• Qt version: 5.9.4
• PyQt version: 5.9.2
• Operating System name/version: Windows 10

Dependencies

PASTE DEPENDENCIES HERE

IPython >=4.0 : 6.4.0 (OK)
cython >=0.21 : 0.28.2 (OK)
jedi >=0.9.0 : 0.12.0 (OK)
nbconvert >=4.0 : 5.3.1 (OK)
numpy >=1.7 : 1.14.3 (OK)
pandas >=0.13.1 : 0.23.0 (OK)
pycodestyle >=2.3: 2.4.0 (OK)
pyflakes >=0.6.0 : 1.6.0 (OK)
pygments >=2.0 : 2.2.0 (OK)
pylint >=0.25 : 1.8.4 (OK)
qtconsole >=4.2.0: 4.3.1 (OK)
rope >=0.9.4 : 0.10.7 (OK)
sphinx >=0.6.6 : 1.7.4 (OK)
sympy >=0.7.3 : 1.1.1 (OK)

[bcolsen]

Pandas has deprecated Index.summary() in favor of Index._summary() as per:

Issue: https://github.com/pandas-dev/pandas/issues/18217
PR: https://github.com/pandas-dev/pandas/pull/20028

[jspurs99]

Thank you, quite helpful - but note a couple of issues: (1) Once this warning occurs, ANY executed statement provokes the warning, for example: print(1+1). Also, since the old Index.summary() is invoked by certain DateTimeIndex object references, the warning is triggered - and repeats continuously - without a direct invocation of Index.summary().

[bcolsen]

Yes clearly this needs to be fixed.

If you want you can test a possible workaround, try changing:

C:\Users\pjacob\AppData\Local\Continuum\anaconda3\lib\site-packages\spyder\widgets\variableexplorer\utils.py line 414

from

display = value.summary()

to

display = value._summary()

and see if that fixes the problem. Then we will have a possible solution.

[chrjakob]

That fixes the problem for me.

[jeremymatt]

I'm having the same problem. Another workaround is to suppress the message with:

import warnings
warnings.simplefilter(action='ignore', category=FutureWarning)

[jspurs99]

Great, thanks very much for the help & focus on this.

[ccordoba12]

@dalthviz, please help me to solve this one. Here

https://travis-ci.org/spyder-ide/spyder/jobs/395955090#L1512

you can find here all warnings generated by the latest Pandas.

For each one please do the following:

try:
    display = value._summary()
except AttributeError:
    display = value.summary()

This is for summary, but you get the idea for the rest of them: the new method name must be called first and the old one second. This way we will guarantee compatibility with old Pandas versions and avoid these warnings.