migrate old config

docs/index.md

@@ -52,13 +52,13 @@ Install the pre-requisite python packages. Raspbian Buster had all but one neede
 ![Figure 5 – Example of installing python pre-requisites](./img/ezbeq-05.png)
 
 2\. Setup the python environment by running the follow commands:
- ![Figure 6 – Example of preparing environment](./img/ezbeq-06.png)
 ```
 mkdir python
 cd python
 python3 -m venv ezbeq
 cd ezbeq
 ```
+![Figure 6 – Example of preparing environment](./img/ezbeq-06.png)
 
 3\. Start the install of the ezbeq application. The required python modules will be installed. Run the following commands:
 ```

ezbeq/config.py

@@ -89,7 +89,11 @@ def __load_config(self):
         if os.path.exists(config_path):
             self.logger.warning("Loading config from " + config_path)
             with open(config_path, 'r') as yml:
-                return yaml.load(yml, Loader=yaml.FullLoader)
+                cfg = yaml.load(yml, Loader=yaml.FullLoader)
+                if not cfg.get('minidspExe', None) and not cfg.get('htp1', None):
+                    cfg['minidspExe'] = 'minidsp'
+                    self.__store_config(cfg, config_path)
+                return cfg
         default_config = self.load_default_config()
         self.__store_config(default_config, config_path)
         return default_config