Update calculator.py

Author: Andrew-S-Rosen

src/raspa_ase/calculator.py

@@ -67,7 +67,7 @@ def get_calculator_command(self, inputfile: str = SIMULATION_INPUT) -> list[str]
         list[str]
             The command to run the calculator.
         """
-        return [self.binary, f"{inputfile}"]
+        return [self.command, f"{inputfile}"]
 
     def version(self) -> str:
         """