Fix subprocess by adding decode to file path in upload_data.yml

.github/workflows/upload_data.yml

@@ -29,7 +29,7 @@ jobs:
           creds = json.load(open("service_account.json"))
           gc = gspread.service_account_from_dict(creds)
           sh = gc.open_by_key("${{ secrets.SPREADSHEET_ID }}")
-          v = subprocess.run(['git','rev-parse','--show-toplevel'], capture_output=True).stdout.strip()
+          v = subprocess.run(['git','rev-parse','--show-toplevel'], capture_output=True).stdout.decode().strip()
           print(f"{v}/test_data.log")
 
           with open(f"{v}/test_data.log", "r") as f: