change shortcut script option parsing

[noahdietz]

No description provided.

[codecov]

Codecov Report

Merging #73 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           master    #73   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files          16     17    +1     
  Lines         694    698    +4     
  Branches      139    139           
=====================================
+ Hits          694    698    +4

Impacted Files	Coverage Δ
gapic/utils/__init__.py	100% <0%> (ø)	⬆️
gapic/utils/placeholder.py	100% <0%> (ø)

---

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[codecov]

Codecov Report

Merging #73 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           master    #73   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files          16     16           
  Lines         694    694           
  Branches      139    139           
=====================================
  Hits          694    694

---

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 7502b50...4c4f8ef. Read the comment docs.