Some fixes for compatibility with PL master

[ethanwharris]

What does this PR do?

Fixes # (issue)

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[codecov]

Codecov Report

Merging #1106 (eb47dc5) into master (3b2d868) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #1106   +/-   ##
=======================================
  Coverage   85.86%   85.86%           
=======================================
  Files         281      281           
  Lines       12816    12816           
=======================================
  Hits        11005    11005           
  Misses       1811     1811           

Flag	Coverage Δ
unittests	85.86% <100.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
flash/core/data/io/input_transform.py	73.86% <100.00%> (ø)

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