Fix batchgetitem bug

[solomon-negusse]

Pull request checklist

Please check if your PR fulfills the following requirements:

• [X] Make sure you are requesting to pull a topic/feature/bugfix branch (right side). Don't request your master!
• [X] Make sure you are making a pull request against the develop branch (left side). Also you should start your branch off our develop.
• [X] Check the commit's or even all commits' message styles matches our requested structure.
• [X] Check your code additions will fail neither code linting checks nor unit test.

Pull request type

Please check the type of change your PR introduces: - [X] Bugfix - [ ] Feature - [ ] Code style update (formatting, renaming) - [ ] Refactoring (no functional changes, no api changes) - [ ] Build related changes - [ ] Documentation content changes - [ ] Other (please describe): ## What is the current behavior?

• Analysis on very large polygons fails while fetching cached tile results from dynamodb. Issue Number: GTC-1395

What is the new behavior?

• Analysis works on very large polygons.

Does this introduce a breaking change?

• [ ] Yes
• [X] No

Other information

[codecov[bot]]

Codecov Report

Merging #53 (91a96a4) into develop (cffb583) will increase coverage by 0.11%. The diff coverage is 86.36%.

@@             Coverage Diff             @@
##           develop      #53      +/-   ##
===========================================
+ Coverage    91.57%   91.69%   +0.11%     
===========================================
  Files           20       20              
  Lines         1140     1156      +16     
===========================================
+ Hits          1044     1060      +16     
  Misses          96       96              

Flag	Coverage Δ
unittests	91.69% <86.36%> (+0.11%)	:arrow_up:

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

Impacted Files	Coverage Δ
raster_analysis/results_store.py	94.05% <78.57%> (+0.51%)	:arrow_up:
raster_analysis/globals.py	100.00% <100.00%> (ø)
tests/e2e/test_raster_analysis.py	100.00% <100.00%> (ø)

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