Pl/fix assignment rule

[paulflang]

No description provided.

[codecov]

Codecov Report

Merging #77 (f462b73) into main (bc5f0fa) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main      #77      +/-   ##
==========================================
+ Coverage   98.66%   98.67%   +0.01%     
==========================================
  Files           1        1              
  Lines         224      226       +2     
==========================================
+ Hits          221      223       +2     
  Misses          3        3              

Impacted Files	Coverage Δ
src/reactionsystem.jl	98.67% <100.00%> (+0.01%)	⬆️

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[anandijain]

add the patch bump in the pr

lgtm

[anandijain]

what does this change though?

[paulflang]

Sam told me that rules are only valid if 0 is on the lhs. Having a non-zero lhs is fine if you run structual_simplify. But if structural_simplify fails and you want to create an ODEProblem from the non-sutructural_simplify'd system, you need this fix.