fixes issue #2

Checking forecast is a string before attempting to parse, this is
due to the change for templates to pass through types instead of
always strings.

custom_components/weather_template/weather.py

@@ -220,14 +220,18 @@ def _updater(value):
         return _updater
 
     def _update_forecast(self, forecast):
-        try:
-            forecast_json = json.loads(forecast)
-        except ValueError:
-            _LOGGER.error(
-                "Could not parse forecast from template response: %s", forecast
-            )
-            self._forecast = None
-            return
+        if type(forecast) == str:
+            try:
+                forecast_json = json.loads(forecast)
+            except ValueError:
+                _LOGGER.error(
+                    "Could not parse forecast from template response: %s", forecast
+                )
+                self._forecast = None
+                return
+        else:
+            forecast_json = forecast
+
         self._forecast = forecast_json
 
     def _add_float_template_attribute(

hacs.json

@@ -1,4 +1,4 @@
 {
   "name": "Weather Template",
-  "homeassistant": "0.115.0"
+  "homeassistant": "0.118.0"
 }