update third body-related syntax

Author: JacksonBurns

rmgpy/reaction.py

@@ -348,16 +348,16 @@ def to_cantera(self, species_list=None, use_chemkin_identifier=False):
 
         elif isinstance(self.kinetics, ThirdBody):
             if ct_collider is not None:
-                ct_reaction = ct.ThreeBodyReaction(reactants=ct_reactants, products=ct_products, third_body=ct_collider)
+                ct_reaction = ct.Reaction(reactants=ct_reactants, products=ct_products, third_body=ct_collider)
             else:
-                ct_reaction = ct.ThreeBodyReaction(reactants=ct_reactants, products=ct_products)
+                ct_reaction = ct.Reaction(reactants=ct_reactants, products=ct_products)
 
         elif isinstance(self.kinetics, Troe):
             if ct_collider is not None:
                 ct_reaction = ct.Reaction(
                     reactants=ct_reactants,
                     products=ct_products,
-                    tbody=ct_collider,
+                    third_body=ct_collider,
                     rate=ct.TroeRate()
                 )
             else:
@@ -372,7 +372,7 @@ def to_cantera(self, species_list=None, use_chemkin_identifier=False):
                 ct_reaction = ct.Reaction(
                     reactants=ct_reactants,
                     products=ct_products,
-                    tbody=ct_collider,
+                    third_body=ct_collider,
                     rate=ct.LindemannRate()
                 )
             else:

rmgpy/tools/canteramodel.py

@@ -850,10 +850,6 @@ def check_equivalent_falloff(fall1, fall2):
                 if ct_rxn1.low_rate or ct_rxn2.low_rate:
                     check_equivalent_arrhenius(ct_rxn1.low_rate, ct_rxn2.low_rate)
 
-        elif isinstance(ct_rxn1, ct.ThreeBodyReaction):
-            assert ct_rxn1.default_efficiency == ct_rxn2.default_efficiency, "Same default efficiency"
-            assert ct_rxn1.efficiencies == ct_rxn2.efficiencies, "Same efficiencies"
-
     except Exception as e:
         print("Cantera reaction {0} failed equivalency check on: {1}".format(ct_rxn1, e))
         return False