more print statements

test/test_data_generator.py

@@ -55,7 +55,9 @@ class TestDataGenerator:
             assert i == gen._iterator
 
     def test_getitem(self, gen):
+        print(gen)
         gen.kwargs = {'statistics_per_var': {'o3': 'dma8eu', 'temp': 'maximum'}}
+        print(gen)
         station = gen["DEBW107"]
         print(station)
         assert len(station) == 2