more print statements

src/data_preparation.py

@@ -77,16 +77,19 @@ class DataPrep(object):
         file_name = self._set_file_name()
         meta_file = self._set_meta_file_name()
         try:
+            logging.debug(f"try to load local data from: {file_name}")
             data = self._slice_prep(xr.open_dataarray(file_name))
             self.data = self.check_for_negative_concentrations(data)
             self.meta = pd.read_csv(meta_file, index_col=0)
             if self.station_type is not None:
                 self.check_station_type()
+            logging.debug("loading finished")
         except FileNotFoundError as e:
             logging.warning(e)
             data, self.meta = self.download_data_from_join(file_name, meta_file)
             data = self._slice_prep(data)
             self.data = self.check_for_negative_concentrations(data)
+            logging.debug("loaded new data from JOIN")
 
     def check_station_type(self):
         """

test/test_data_generator.py

@@ -54,7 +54,8 @@ class TestDataGenerator:
         for i, d in enumerate(gen, start=1):
             assert i == gen._iterator
 
-    def test_getitem(self, gen):
+    def test_getitem(self, caplog, gen):
+        caplog.set_level(logging.DEBUG)
         print(gen)
         gen.kwargs = {'statistics_per_var': {'o3': 'dma8eu', 'temp': 'maximum'}}
         print(gen)