Merge pull request #3 from vadimtitov/main

Add Connection Error handling

README.md

@@ -1,4 +1,5 @@
 ## [Home Assistant](https://www.home-assistant.io/) Web API Client for Python
+[![PyPI - Downloads](https://img.shields.io/pypi/dm/hassapi?style=flat-square)](https://pypistats.org/packages/hassapi)
 
 ## Examples
 ```python

src/hassapi/client/base.py

@@ -36,7 +36,10 @@ class BaseClient(AuthenticatedClient):
 
     def _api_is_running(self) -> bool:
         """Check if Home Assistant API is running."""
-        return self._get("/")["message"] == "API running."  # type: ignore
+        try:
+            return self._get("/")["message"] == "API running."  # type: ignore
+        except requests.exceptions.ConnectionError:
+            return False
 
     def _get(
         self, endpoint: str, params: Optional[Dict] = None, **kwargs: HassValueType

tox.ini

@@ -8,7 +8,7 @@ envlist =
     mypy
 
 [testenv]
-basepython = python3.8
+basepython = python3
 deps =
     pytest: coverage
     pytest: pytest
@@ -31,7 +31,7 @@ commands =
     flake8 --max-line-length 99 src/hassapi setup.py
 
 [testenv:format]
-basepython = python3.8
+basepython = python3
 description = format source code
 deps = black == 19.10b0
        isort[pyproject] == 4.3.21
@@ -44,7 +44,7 @@ commands =
     isort -rc src tests setup.py
 
 [testenv:format-check]
-basepython = python3.8
+basepython = python3
 description = check that the source code is well formatted
 deps = {[testenv:format]deps}
 skip_install = {[testenv:format]skip_install}