diff --git a/examples/quality_controll.ipynb b/examples/quality_controll.ipynb
index a95cef83cb9e75c8edf3bb9f4047d1281b829e60..a954b8ecdf3f6dbf87418e399243b75c0cb5079e 100644
--- a/examples/quality_controll.ipynb
+++ b/examples/quality_controll.ipynb
@@ -28,7 +28,7 @@
     "from toargridding.metadata import Metadata, TimeSample, AnalysisRequestResult, Coordinates\n",
     "from toargridding.variables import Coordinate\n",
     "\n",
-    "from toargridding.contributors import contributionsManager\n",
+    "from toargridding.contributors import contributionsManager, contributions_manager_by_name\n",
     "\n",
     "import logging\n",
     "from toargridding.defaultLogging import toargridding_defaultLogging\n",
@@ -61,12 +61,12 @@
     "data = analysis_service.get_data(metadata)\n",
     "\n",
     "# create contributors endpoint and write result to metadata\n",
-    "contrib = contributionsManager(metadata.get_id(), data_download_dir)\n",
+    "contrib = contributions_manager_by_name(metadata.get_id(), data_download_dir)\n",
     "contrib.extract_contributors_from_data_frame(data.stations_data)\n",
     "metadata.contributors_metadata_field = contrib.setup_contributors_endpoint_for_metadata()\n",
     "ds = my_grid.as_xarray(data)\n",
     "#store dataset\n",
-    "ds.to_netcdf(data_download_dir / f\"{metadata.get_id()}_{my_grid.get_id()}.nc\")"
+    "ds.to_netcdf(data_download_dir / f\"{metadata.get_id()}_by_names_inline_{my_grid.get_id()}.nc\")"
    ]
   },
   {
diff --git a/src/toargridding/contributors.py b/src/toargridding/contributors.py
index 9837ce95fe6a123ecbbf2d5fbb9b36ed0ed0f56a..9fac9f493c92b6101d9bc3854fe8c12fca2bc681 100644
--- a/src/toargridding/contributors.py
+++ b/src/toargridding/contributors.py
@@ -37,7 +37,7 @@ class contributionsManager:
         with open(self.contributors_path / f"{self.requestID}.{ext}", "w") as f:
             for id in self.timeseriesIDs:
                 f.write(f"{id}\n")
-        return f"curl  -d @{self.requestID}.{ext} -X POST {self.endpoint}"
+        return f'curl -X POST "file=@{self.requestID}.{ext}" {self.endpoint}'
     def setup_contributors_service(self) -> str:
         # TODO: missing implementation
         raise NotImplementedError("This has not been implemented as this package is not yet operated as a service.")
@@ -63,18 +63,17 @@ class contributions_manager_by_name(contributionsManager):
             for name in names:
                 self.timeseriesIDs.add(name)
     def id_to_names(self, id : int) -> list[str]:
-        for _ in range(10):
+        for pos in range(10):
             req_res = requests.get(f"https://toar-data.fz-juelich.de/api/v2/timeseries/{id}")
             try:
                 results = req_res.json()
                 break
             except:
+                print("Test debug:", pos, " try for id", id)
                 sleep(30)
                 pass
         else:
             raise RuntimeError(f"Could not get the response for the timeseries with id {id}.")
-
-
         names = set()
         for r in results["roles"]:
             try: