random doctest error in src/sage/plot/plot.py

[dcoudert]

Is there an existing issue for this?

• I have searched the existing issues for a bug report that matches the one I want to file, without success.

Did you read the documentation and troubleshoot guide?

• I have read the documentation and troubleshoot guide

Environment

- **OS**:macOS 12.6.3
- **Sage Version**: 10.0.beta8

Steps To Reproduce

./sage -t --random-seed=4353858841104478676567296645844421851 src/sage/plot/plot.py

File "src/sage/plot/plot.py", line 1824, in sage.plot.plot.plot
Failed example:
plot(f, (x, -3.5, 3.5), detect_poles='show', exclude=[-3..3], ymin=-5, ymax=5)

Expected Behavior

Graphics object consisting of 12 graphics primitives

Actual Behavior

Graphics object consisting of 13 graphics primitives

Additional Information

Part of #32544

[tobiasdiez]

Also happens on linux: /~https://github.com/sagemath/sage/actions/runs/7515998342/job/20460584601

[tornaria]

Another instance of the same:

sage -t --warn-long 10.0 --random-seed=251246844545729201890491297510531298883 /usr/lib/python3.12/site-packages/sage/plot/plot.py
**********************************************************************
File "/usr/lib/python3.12/site-packages/sage/plot/plot.py", line 1855, in sage.plot.plot.plot
Failed example:
    plot(f, (x, -3.5, 3.5), detect_poles='show', exclude=[-3..3],
         ymin=-5, ymax=5)
Expected:
    Graphics object consisting of 12 graphics primitives
Got:
    Graphics object consisting of 13 graphics primitives
**********************************************************************

[tornaria]

Also, this seems a duplicate of #34772 and #33129