Merge pull request #1228 from luxonis/sdk_offline_models

Enabling NNComponent to work offline when models are cached

Author: jakaskerl

depthai_sdk/src/depthai_sdk/components/nn_component.py

@@ -240,7 +240,11 @@ def _parse_model(self, model):
                 self._parse_config(model)
         else:  # SDK supported model
             models = getSupportedModels(printModels=False)
-            zoo_models = blobconverter.zoo_list()
+            
+            try:
+                zoo_models = blobconverter.zoo_list()
+            except Exception as e:
+                LOGGER.warning("No internet access, can't load models from depthai zoo.")
 
             if str(model) in models:
                 model = models[str(model)] / 'config.json'