Allow model as input for type: 'object'

[annatisch]

Required for Data Factory

@lmazuel - lets chat about this scenario, whether this is the best approach or if anything further needs to be done.

[codecov-io]

Codecov Report

Merging #18 into master will decrease coverage by -0.04%.
The diff coverage is 50%.

@@            Coverage Diff             @@
##           master      #18      +/-   ##
==========================================
- Coverage   70.94%   70.91%   -0.04%     
==========================================
  Files           9        9              
  Lines        1184     1186       +2     
==========================================
+ Hits          840      841       +1     
- Misses        344      345       +1

Impacted Files	Coverage Δ
msrest/serialization.py	67.4% <50%> (-0.06%)	❌

---

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 d8c6be6...a6989d0. Read the comment docs.

[lmazuel]

Behavior checked with @fearthecowboy and it's ok.