fix species_to_dict function to use correct parameter as rxn species

rmgpy/cantera_.py

@@ -302,18 +302,18 @@ def reaction_to_dicts(obj, spcs):
 
 def species_to_dict(obj, spc, names=None, label="solvent"):
  """
- Takes an RMG species object (spc), returns a list of dictionaries
+ Takes an RMG species object (obj), returns a list of dictionaries
  for YAML properties. Also adds in the number of surface sites
  ('sites') to dictionary.
  """
 
  result_dict = dict()
 
- if isinstance(spc, Species):
- s = spc.to_cantera(use_chemkin_identifier=True)
+ if isinstance(obj, Species):
+ s = obj.to_cantera(use_chemkin_identifier=True)
  species_data = s.input_data
  try:
- result_dict["note"] = spc.transport_data.comment
+ result_dict["note"] = obj.transport_data.comment
  except:
  pass
  if "size" in species_data:
@@ -324,6 +324,8 @@ def species_to_dict(obj, spc, names=None, label="solvent"):
  return (
  species_data # returns composition, name, thermo, and transport, and note
  )
+ else:
+ raise Exception("Species object must be an RMG Species object")
 
 
 class CanteraWriter(object):