Fixed pytest issues. Fixes: #29

Author: wolph

.coveragerc

@@ -21,3 +21,4 @@ exclude_lines =
     raise NotImplementedError
     if 0:
     if __name__ == .__main__.:
+    if typing.TYPE_CHECKING:

.travis.yml

@@ -17,3 +17,5 @@ flake8-ignore =
 doctest_optionflags = 
     ALLOW_UNICODE
     ALLOW_BYTES
+
+asyncio_mode = strict

pytest.ini

@@ -1,11 +1,14 @@
 from __future__ import annotations
 
 import abc
-from typing import Any
-from typing import Generator
+import typing
+from typing import Any, Generator
 
 from . import types
 
+if typing.TYPE_CHECKING:
+    import _typeshed  # noqa: F401
+
 KT = types.TypeVar('KT')
 VT = types.TypeVar('VT')
 DT = types.Dict[KT, VT]
@@ -16,6 +19,7 @@
 DictUpdateArgs = types.Union[
     types.Mapping,
     types.Iterable[types.Union[types.Tuple[Any, Any], types.Mapping]],
+    '_typeshed.SupportsKeysAndGetItem[KT, VT]',
 ]
 
 
@@ -37,7 +41,7 @@ def __init__(
     def update(
             self,
             *args: DictUpdateArgs,
-            **kwargs
+            **kwargs: VT
     ) -> None:
         if args:
             kwargs.update(*args)

python_utils/containers.py

@@ -181,7 +181,7 @@ def to_unicode(
     '''Convert objects to unicode, if needed decodes string with the given
     encoding and errors settings.
 
-    :rtype: unicode
+    :rtype: str
 
     >>> to_unicode(b'a')
     'a'