Fix coverage setup

tests/filetools.py

@@ -1,16 +1,9 @@
-"""pytest config"""
+"""Tools for files.  """
 
 import os
-import sys
-
 __dirname__ = os.path.abspath(os.path.dirname(__file__))
 
 
 def _file_path(*other):
 
     return os.path.abspath(os.path.join(__dirname__, *other))
-
-
-def pytest_configure(config):
-    sys.path.insert(0, _file_path('..'))
-    return config

tests/test_fetch_holidays.py

@@ -2,9 +2,10 @@
 import json
 import sys
 
-from conftest import _file_path
 from fetch_holidays import CustomJSONEncoder, DescriptionParser
 
+from .filetools import _file_path
+
 
 def _normalize(iterable):
     return sorted(json.loads(json.dumps(list(iterable), cls=CustomJSONEncoder)),