Fixing reaction scoring

Author: Christopher Henry

modelseedpy/core/msmodelutl.py

@@ -910,7 +910,7 @@ def assign_reliability_scores_to_reactions(self):
                                 reversescore += 100
                             elif msrxn.metabolites[cpd] > 0:
                                 forwardscore += 100
-                        if cpd.inchi_key() == None:
+                        if cpd.inchi_key == None:
                             basescore += 40
                         if cpd.formula == None:
                             basescore += 60