Skip any files with no abis. Version bump to v0.0.35

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.

Project coverage is 63.61%. Comparing base (449d977) to head (6df8804).

Files	Patch %	Lines
pypechain/utilities/abi.py	0.00%	4 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #121 +/- ## ========================================== - Coverage 63.71% 63.61% -0.10% ========================================== Files 49 49 Lines 2555 2559 +4 ========================================== Hits 1628 1628 - Misses 927 931 +4 ``` | [Flag](https://app.codecov.io/gh/delvtech/pypechain/pull/121/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=delvtech) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/delvtech/pypechain/pull/121/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=delvtech) | `63.61% <0.00%> (-0.10%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=delvtech#carryforward-flags-in-the-pull-request-comment) to find out more.

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