fix: move empty result check up before checking if user asked for all

Author: ree-gupta

pipeline/src/additional_methods/by_name.py.txt

@@ -46,9 +46,9 @@
                     matches.extend(instances)
         else:
             raise ValueError("'match' must be either 'equals' or 'contains'")
-        if all:
+        if not matches: 
+            return None
+        elif all:
             return matches
-        elif len(matches) > 0:
-            return matches[0]
         else:
-            return None
+            return matches[0]