fix: fix generated python code

[mhamilton723]

No description provided.

[mhamilton723]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[codecov]

Codecov Report

Merging #1121 (a94d8bf) into master (84d8d24) will increase coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1121      +/-   ##
==========================================
+ Coverage   85.38%   85.43%   +0.04%     
==========================================
  Files         257      257              
  Lines       12053    12053              
  Branches      629      629              
==========================================
+ Hits        10292    10297       +5     
+ Misses       1761     1756       -5     

Impacted Files	Coverage Δ
...com/microsoft/ml/spark/core/utils/AsyncUtils.scala	70.00% <0.00%> (+5.00%)	⬆️
...ala/org/apache/spark/ml/param/DataFrameParam.scala	83.33% <0.00%> (+16.66%)	⬆️

---

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 84d8d24...a94d8bf. Read the comment docs.