['digest'] issue and ['args'] issue fix

[tanaygodse]

Removed digest from model, hardcoded a value 'nextgen' for now, removed 'args' from the payload value

Proposed Changes

[describe the changes here...]

Linked Issues

#18
#19

Types of changes

What type of change does this pull request make (put an x in the boxes that apply)?

• Bug fix (non-breaking change that fixes an issue).
• New feature added (non-breaking change that adds functionality).
• Breaking change (fix or feature that would cause existing functionality to stop working as expected).
• Documentation update.
• Something else (e.g., tests, scripts, example, deployment, infrastructure).

Checklist

Put an x in the boxes that apply:

• I have read the CONTRIBUTING guide
• Checks and tests pass locally

If applicable

• I have added tests that prove my fix is effective or that my feature works
• I have checked that code coverage does not decrease
• I have added/updated the documentation

Further comments

[tanaygodse]

@qati Please check

[XaviPeiro]

Please, add tests that reflect these fixes.

(For further occasions: let's do that on branches instead of forks, please.)

[tanaygodse]

Please, add tests that reflect these fixes.

(For further occasions: let's do that on branches instead of forks, please.)

I followed the instructions on https://github.com/fetchai/ai-engine-sdk-python/blob/master/CONTRIBUTING.md

Will create a branch directly for this repository and try again.

[tanaygodse]

@XaviPeiro I tried creating a branch in the main repository instead of fork, got this error:
git push upstream digest-issue
ERROR: Permission to fetchai/ai-engine-sdk-python.git denied to tanaygodse.
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

I believe I do not have the rights to make changes to the main repository. Let me know what to do.

[XaviPeiro]

@XaviPeiro I tried creating a branch in the main repository instead of fork, got this error: git push upstream digest-issue ERROR: Permission to fetchai/ai-engine-sdk-python.git denied to tanaygodse. fatal: Could not read from remote repository.

Please make sure you have the correct access rights and the repository exists.

I believe I do not have the rights to make changes to the main repository. Let me know what to do.

Sure, my bad mate.
Sadly, as for now I cannot do it, I should solve some issues first :(

If you want we can continue on the fork for the moment just to not get stuck.

My apologies for that unfruitful request, @tanaygodse .