Fix cupy function in notebook

[ajschmidt8]

This PR updates a from_dlpack call that was missed in #10631.

[review-notebook-app]

Check out this pull request on 

See visual diffs & provide feedback on Jupyter Notebooks.

---

Powered by ReviewNB

[ajschmidt8]

@gpucibot merge

[codecov]

Codecov Report

Merging #10737 (4ec5153) into branch-22.06 (d6e3068) will increase coverage by 0.03%.
The diff coverage is 100.00%.

❗ Current head 4ec5153 differs from pull request most recent head 3609d57. Consider uploading reports for the commit 3609d57 to get more accurate results

@@               Coverage Diff                @@
##           branch-22.06   #10737      +/-   ##
================================================
+ Coverage         86.36%   86.39%   +0.03%     
================================================
  Files               142      142              
  Lines             22302    22304       +2     
================================================
+ Hits              19261    19270       +9     
+ Misses             3041     3034       -7     

Impacted Files	Coverage Δ
python/cudf/cudf/core/frame.py	93.41% <ø> (ø)
python/cudf/cudf/testing/dataset_generator.py	73.25% <ø> (ø)
python/cudf/cudf/core/series.py	95.16% <100.00%> (+<0.01%)	⬆️
python/cudf/cudf/core/column/string.py	89.21% <0.00%> (+0.12%)	⬆️
python/cudf/cudf/core/groupby/groupby.py	91.68% <0.00%> (+0.23%)	⬆️
python/cudf/cudf/core/column/numerical.py	96.17% <0.00%> (+0.29%)	⬆️
python/cudf/cudf/core/tools/datetimes.py	84.49% <0.00%> (+0.30%)	⬆️
python/cudf/cudf/core/column/lists.py	92.91% <0.00%> (+1.25%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update e2cd6b0...3609d57. Read the comment docs.