Moves the `compact` helper to `utils` (#1769)

* Moves the `compact` helper to `utils`

There is a helper funcion that excludes `None` values
from a list. This was being declared both in the Queue
and in the worker. This centralizes this helper in the `utils`
Importing

* Fix Type Annotation

1 files changed, 12 insertions, 0 deletions

diff --git a/rq/utils.py b/rq/utils.py
index e347ec3..a9fbb1d 100644
--- a/rq/utils.py
+++ b/rq/utils.py
@@ -125,6 +125,18 @@ class ColorizingStreamHandler(logging.StreamHandler):
         return message
 
 
+def compact(lst: t.List[t.Any]) -> t.List[t.Any]:
+    """Excludes `None` values from a list-like object.
+
+    Args:
+        lst (list): A list (or list-like) oject
+
+    Returns:
+        object (list): The list without None values
+    """    
+    return [item for item in lst if item is not None]
+
+
 def as_text(v):
     if v is None:
         return None