Use dict_deep

requirements.txt

@@ -1,3 +1,4 @@
 pytest==6.2.2
 pyyaml==5.4.1
-pywinauto==0.6.8
+pywinauto==0.6.8
+dict-deep==4.1.2

src/config.py

@@ -1,4 +1,5 @@
 import yaml
+from dict_deep import deep_get
 
 conf = None
 
@@ -8,3 +9,7 @@ def read_config(filename):
         global conf
         conf = yaml.safe_load(f)
         return conf
+
+
+def get_value(key: str):
+    return deep_get(conf, key)

tests/test_log.py

@@ -2,8 +2,9 @@ from src import config
 
 
 def test_write_to_log():
-    conf = config.read_config(r'config.yaml')
-    log_file = conf['General']['log_file']
+    config.read_config(r'config.yaml')
+    log_file = config.get_value('General.log_file')
+    assert(log_file)
     text = '2021/03/08 23:24:52 17931875 bb3 [INFO Client 1492] @From Sinusal: Hi, I would like to buy your level 21 23% Vaal Impurity of Lightning ' \
         'listed for 18 chaos in Ritual (stash tab "$"; position: left 22, top 5)'
     with open(log_file, 'a') as f: