compatibility with python 2.7

srsly, python 2 is no fun. at all.

pyhocon/config_parser.py

@@ -713,7 +713,7 @@ def resolve_substitutions(cls, config, accept_unresolved=False):
         return has_unresolved
 
     @classmethod
-    def resolve_package_path(cls, package_path: str) -> str:
+    def resolve_package_path(cls, package_path):
         """
         Resolve the path to a file inside a Python package. Expected format: "PACKAGE:PATH"
 
@@ -726,7 +726,7 @@ def resolve_package_path(cls, package_path: str) -> str:
         """
         if ':' not in package_path:
             raise ValueError("Expected format is 'PACKAGE:PATH'")
-        package_name, path_relative = package_path.split(':', maxsplit=1)
+        package_name, path_relative = package_path.split(':', 1)
         package_dir = imp.find_module(package_name)[1]
         path_abs = os.path.join(package_dir, path_relative)
         return path_abs

tests/test_config_parser.py

@@ -2,6 +2,7 @@
 
 import json
 import os
+import shutil
 import tempfile
 from collections import OrderedDict
 from datetime import timedelta
@@ -1279,8 +1280,8 @@ def test_resolve_package_path_missing(self):
             ConfigParser.resolve_package_path("non_existent_module:foo.py")
 
     def test_include_package_file(self, monkeypatch):
-        with tempfile.TemporaryDirectory() as temp_dir:
-            # define paths
+        temp_dir = tempfile.mkdtemp()
+        try:
             module_dir = os.path.join(temp_dir, 'my_module')
             module_conf = os.path.join(module_dir, 'my.conf')
             # create the module folder and necessary files (__init__ and config)
@@ -1300,6 +1301,8 @@ def test_include_package_file(self, monkeypatch):
             )
             # check that the contents of both config files are available
             assert dict(config.as_plain_ordered_dict()) == {'a': 1, 'b': 2, 'c': 3}
+        finally:
+            shutil.rmtree(temp_dir, ignore_errors=True)
 
     def test_include_dict(self):
         expected_res = {