Fix infinite recursion on ChainRules.rrule(contract)

[mofeing]

this should fix CI definitely

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 0.04%. Comparing base (f2abea6) to head (bf20eae).
Report is 48 commits behind head on master.

Files with missing lines	Patch %	Lines
ext/TenetChainRulesCoreExt/rrules.jl	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##           master    #296      +/-   ##
=========================================
- Coverage    0.04%   0.04%   -0.01%     
=========================================
  Files          32      34       +2     
  Lines        2146    2295     +149     
=========================================
  Hits            1       1              
- Misses       2145    2294     +149     

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[mofeing]

i took advantage and also fixed some yao tests

the CI fails currently because it fails to find the CondaPkg.toml when running ]test so no Python packages are installed