Dataframes are not viewable in the variable explorer

Issue Report Checklist

• Searched the issues page for similar reports
• Read the relevant sections of the Spyder Troubleshooting Guide and followed its advice
• 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)
  • Restarted Spyder
  • Reset preferences with spyder --reset
  • Reinstalled the latest version of Anaconda
  • Tried the other applicable steps from the Troubleshooting Guide
• Completed the Problem Description, Steps to Reproduce and Version sections below

Problem Description

Dataframes are not viewable in the variable explorer

What steps reproduce the problem?

1. Double clicking on a dataframe in the variable explorer

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

Paste Traceback/Error Below (if applicable)

Spyder was unable to retrieve the value of this variable from the console.

The error message was:
An error occured, see the console..

Note: Please don't report this problem on Github, there's nothing to do about it.

Versions

• Spyder version: 5.2.2
• Python version: 3.9.10
• Qt version:
• PyQt version:
• Operating System name/version: macos 12.2.1

Dependencies

PASTE DEPENDENCIES HERE