corrected test and removed unnecessary logging.error calls

src/helpers.py

@@ -82,7 +82,6 @@ class TimeTracking(object):
             self._end()
         else:
             msg = f"Time was already stopped {time.time() - self.end}s ago."
-            logging.error(msg)
             raise AssertionError(msg)
         if get_duration:
             return self.duration()
@@ -117,7 +116,6 @@ def prepare_host(create_new=True, sampling="daily"):
     elif "runner-6HmDp9Qd-project-2411-concurrent" in hostname:
         path = f"/home/{user}/machinelearningtools/data/toar_{sampling}/"
     else:
-        logging.error(f"unknown host '{hostname}'")
         raise OSError(f"unknown host '{hostname}'")
     if not os.path.exists(path):
         try:
@@ -127,7 +125,6 @@ def prepare_host(create_new=True, sampling="daily"):
             else:
                 raise PermissionError
         except PermissionError:
-            logging.error(f"path '{path}' does not exist for host '{hostname}'.")
             raise NotADirectoryError(f"path '{path}' does not exist for host '{hostname}'.")
     else:
         logging.debug(f"set path to: {path}")

src/run_modules/run_environment.py

@@ -63,7 +63,6 @@ class RunEnvironment(object):
         except (NameNotFoundInDataStore, FileNotFoundError):
             pass
 
-
     @staticmethod
     def do_stuff(length=2):
         time.sleep(length)

test/test_data_handling/test_bootstraps.py

@@ -106,7 +106,7 @@ class TestBootstrapGenerator:
         meta = boot_gen.get_bootstrap_meta_station_var_wise("DEBW107", "o3")
         labels = boot_gen.orig_generator.get_data_generator("DEBW107").get_transposed_label().shape[0]
         assert np.shape(meta) == (labels * boot_gen.number_of_boots, 2)
-        assert np.testing.assert_array_equal(np.unique(meta), ["DEBW107", "o3"])
+        assert np.testing.assert_array_equal(np.unique(meta), ["DEBW107", "o3"]) is None
 
     def test_get_labels(self, boot_gen):
         res = []