Fix 'object of type "filter" has no len()' issue

Author: Paulinakhew

scripts/shopify_api.py

@@ -51,7 +51,7 @@ def run_task(cls, task=None, *args):
 
         # Allow unambigious abbreviations of tasks
         if task not in cls._tasks:
-            matches = filter(lambda item: item.startswith(task), cls._tasks)
+            matches = list(filter(lambda item: item.startswith(task), cls._tasks))
             if len(matches) == 1:
                 task = matches[0]
             else: