Add missing interpreter lines

[mr-c]

No description provided.

[codecov]

Codecov Report

Merging #1400 (33dd17d) into main (39496f3) will decrease coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #1400      +/-   ##
==========================================
- Coverage   72.01%   71.97%   -0.04%     
==========================================
  Files          43       43              
  Lines        7773     7773              
  Branches     1977     1977              
==========================================
- Hits         5598     5595       -3     
- Misses       1576     1578       +2     
- Partials      599      600       +1     

Impacted Files	Coverage Δ
cwltool/executors.py	74.77% <0.00%> (-1.33%)	⬇️

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