[FIX] DataFrameInput supports json input with orient="records"

[bojiang]

TODO:

• orient="index"
• orient="split"
• configurable orient

Description

Motivation and Context

How Has This Been Tested?

Types of changes

• Breaking change (fix or feature that would cause existing functionality to change)
• New feature (non-breaking change which adds functionality)
• Bug fix (non-breaking change which fixes an issue)
• Documentation
• Test, CI, or build
• None

Components (if applicable)

• BentoService (model packaging, dependency management, handler definition)
• Model Artifact (model serialization, multi-framework support)
• Model Server (mico-batching, logging, metrics, tracing, benchmark, OpenAPI)
• YataiService (model management, deployment automation)
• Documentation

Checklist:

• My code follows the bentoml code style, both ./dev/format.sh and
  ./dev/lint.sh script have passed
  (instructions).
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• My change requires a change in bentoml/gallery example notebooks
• I have sent a pull request to bentoml/gallery to make that change

[pep8speaks]

Hello @bojiang, Thanks for updating this PR.

There are currently no PEP 8 issues detected in this PR. Cheers! 🍻

Comment last updated at 2020-06-17 09:10:52 UTC

[codecov]

Codecov Report

Merging #809 into master will increase coverage by 0.07%.
The diff coverage is 87.50%.

@@            Coverage Diff             @@
##           master     #809      +/-   ##
==========================================
+ Coverage   55.90%   55.98%   +0.07%     
==========================================
  Files         115      115              
  Lines        8425     8442      +17     
==========================================
+ Hits         4710     4726      +16     
- Misses       3715     3716       +1     

Impacted Files	Coverage Δ
bentoml/adapters/dataframe_input.py	81.18% <87.50%> (+1.18%)	⬆️

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