Do not continue with inaccessible model or data path.

Author: vkirkl

docs/environment.rst

@@ -1,7 +1,7 @@
 Environment Variables
 ---------------------
 
-The Scoutbot API and CLI have two environment variables (envars) that allow you to configure global settings
+The Scoutbot API and CLI have environment variables (envars) that allow you to configure global settings
 and configurations.
 
    - ``CONFIG`` (default: mvp)

scoutbot/__init__.py

@@ -83,7 +83,8 @@
     # It's a path - check if it exists
     model_path = Path(MODEL_BASE_URL)
     if not model_path.exists():
-        log.warning(f"Model source path does not exist: {MODEL_BASE_URL}")
+        log.warning(f"Model source path does not exist or is inaccessible: {MODEL_BASE_URL}")
+        exit()
 
 # Validate DATA_BASE_URL
 parsed = urlparse(DATA_BASE_URL)
@@ -96,7 +97,8 @@
     # It's a path - check if it exists
     data_path = Path(DATA_BASE_URL)
     if not data_path.exists():
-        log.warning(f"Data source path does not exist: {DATA_BASE_URL}")
+        log.warning(f"Data source path does not exist or is inaccessible: {DATA_BASE_URL}")
+        exit()
 
 from scoutbot import agg, loc, tile, wic, tile_batched  # NOQA
 from scoutbot.loc import CONFIGS as LOC_CONFIGS  # NOQA