make hardware_service works on linux

api_client.py

@@ -60,7 +60,7 @@ class ApiClient:
             print(f"Upload fail: {e}")
 
     def load_bytes(self, filename, folder):
-        hardware = get_hardware_info()
+        hardware_str = get_hardware_info()
 
         if self.token is None:
             self.login()
@@ -73,7 +73,7 @@ class ApiClient:
         payload = json.dumps(
             {
                 "password": self.credentials.password,
-                "hardware": hardware.to_json_object(),
+                "hardware": hardware_str,
                 "fileName": filename
             }, indent=4)
         response = requests.post(url, data=payload, headers=headers, stream=True)