Resolve "release v1.4.0"

Closes #317 (closed)

mlair/run_modules/pre_processing.py

@@ -9,6 +9,7 @@ from typing import Tuple
 import multiprocessing
 import requests
 import psutil
+import traceback
 
 import numpy as np
 import pandas as pd
@@ -336,6 +337,7 @@ def f_proc(data_handler, station, name_affix, store, **kwargs):
     try:
         res = data_handler.build(station, name_affix=name_affix, store_processed_data=store, **kwargs)
     except (AttributeError, EmptyQueryResult, KeyError, requests.ConnectionError, ValueError) as e:
-        logging.info(f"remove station {station} because it raised an error: {e}")
+        formatted_lines = traceback.format_exc().splitlines()
+        logging.info(f"remove station {station} because it raised an error: {e} (from {' | '.join(formatted_lines[-3:])}")
         res = None
     return res, station