Add server version check

Author: PProfizi

src/ansys/dpf/core/operator_specification.py

@@ -434,7 +434,9 @@ def _fill_pins(self, binput, to_fill):
                     for i_type in range(n_types)
                 ]
                 pin_aliases = []
-                if hasattr(self._api, "operator_specification_get_pin_num_aliases"):
+                if server_meet_version("10.0", self._server) and hasattr(
+                    self._api, "operator_specification_get_pin_num_aliases"
+                ):
                     for i_alias in range(
                         self._api.operator_specification_get_pin_num_aliases(self, binput, i_pin)
                     ):