Fix typo in Python table tutorial (#6740)
Fix typo in Python table tutorial (#6740)

Fix for https://github.com/twosigma/beakerx/issues/6732
twosigma/beaker-notebook,twosigma/beakerx,twosigma/beakerx,twosigma/beakerx,twosigma/beaker-notebook,twosigma/beaker-notebook,jpallas/beakerx,twosigma/beakerx,twosigma/beaker-notebook,jpallas/beakerx,twosigma/beaker-notebook,jpallas/beakerx,twosigma/beakerx,jpallas/beakerx,jpallas/beakerx,twosigma/beakerx,jpallas/beakerx