Evaluate (#83)

* fixed the path to testset in evaluation script

* debugging the get_nwp function

* Added comment

* removed unnecessary

.gitignore

@@ -2,4 +2,4 @@
 scripts/datapipes/test.nc
 scripts/datapipes/UK_PV_metadata.csv
 scripts/datapipes/nwp_data
-quartz_solar_forecast/data
+quartz_solar_forecast/data

quartz_solar_forecast/eval/nwp.py

@@ -80,6 +80,10 @@ def get_nwp_for_one_timestamp_one_location(
     # fs = HfFileSystem()
     # print(fs.ls("datasets/openclimatefix/dwd-icon-eu/data/2022/4/11/", detail=False))
 
+    # Ensure timestamp is a pd.Timestamp object
+    if not isinstance(timestamp, pd.Timestamp):
+        timestamp = pd.to_datetime(timestamp)
+
     # round timestamp to 6 hours floor
     timestamp_floor = timestamp.floor("6h")
     date_and_hour, huggingface_file = make_hf_filename(timestamp_floor)
@@ -170,5 +174,3 @@ def get_nwp_for_one_timestamp_one_location(
         print(f"Getting NWP for {timestamp} {pv_id}. Progress: {100*progress}%")
 
     return df
-
-