Resolve "Create metadata fails when no densification product list is defined"

Closes #60 (closed)

app/run_snow_annual_map.py

@@ -112,6 +112,9 @@ def main(argv):
     use_densification = params.get("use_densification", False)
     if use_densification:
         densification_path_list = params.get("densification_products_list", [])
+    else:
+        densification_path_list = []
+
 
     log = params.get("log", True)
     if log: