Merge pull request #121 from cbc-univie/adjustment_to_pymbar4

Update analysis.py

transformato/analysis.py

@@ -704,7 +704,7 @@ def free_energy_differences(self, env="vacuum"):
     def free_energy_overlap(self, env="vacuum"):
         """overlap of lambda states"""
         try:
-            r = self.mbar_results[env].computeOverlap(return_dict=True)["matrix"]
+            r = self.mbar_results[env].compute_overlap()["matrix"]
         except KeyError:
             raise KeyError(f"Free energy overlap not obtained for : {env}")