in radius of gyration average: adding a check to first see if the rgy…

… of the simulation has been calculated and saved to avoid repetition

mdagent/tools/base_tools/analysis_tools/rgy.py

@@ -33,16 +33,16 @@ def rgy_per_frame(self) -> str:
         rgy_id = f"rgy_{self.traj_file}"
         if rgy_id not in self.path_registry.list_path_names():
             np.savetxt(
-                self.rgy_file, 
+                self.rgy_file,
                 rg_per_frame,
-                delimiter=",", 
-                header="Radius of Gyration (nm)"
+                delimiter=",",
+                header="Radius of Gyration (nm)",
             )
             self.path_registry.map_path(
                 f"rgy_{self.traj_file}",
                 self.rgy_file,
                 description=f"Radii of gyration per frame for {self.traj_file}",
-            )            
+            )
         return f"Radii of gyration saved to {self.rgy_file}"
 
     def rgy_average(self) -> str: