component AP gateway (http): fix missing pformat module in verbose mode

sat/plugins/plugin_comp_ap_gateway/http_server.py

@@ -1040,6 +1040,7 @@ class HTTPAPGServer(web_resource.Resource):
             to_log.append(f"--- RET (code: {request.code})---")
             if self.apg.verbose>=2:
                 if ret_data is not None:
+                    from pprint import pformat
                     to_log.append(f"{pformat(ret_data)}")
                     to_log.append("---")
             log.info("\n".join(to_log))