Use empty list instead of empty tuple in a few places

[turbot] / turbot / interaction.py

diff --git a/turbot/interaction.py b/turbot/interaction.py
index 86f438c372b5358c8641d3497809d4d1b5b6ba3f..a6ef7d6851618bcd5138d56e9e8d73b51b2297be 100644 (file)
--- a/turbot/interaction.py
+++ b/turbot/interaction.py
@@ -187,7 +187,7 @@ def edit_puzzle(turb, puzzle, trigger_id):
         solved = True
 
     solution_str = None
-    solution_list = puzzle.get("solution", ())
+    solution_list = puzzle.get("solution", [])
     if solution_list:
         solution_str = ", ".join(solution_list)
 
@@ -280,7 +280,7 @@ def edit_puzzle_submission(turb, payload, metadata):
         puzzle['status'] = 'solved'
     else:
         puzzle['status'] = 'unsolved'
-    puzzle['solution'] = ()
+    puzzle['solution'] = []
     solution = state['solution']['solution']['value']
     if solution:
         # Construct a list from a set to avoid any duplicates
@@ -1045,7 +1045,7 @@ def new_puzzle_submission(turb, payload, metadata):
     if rounds:
         puzzle['rounds'] = rounds
 
-    puzzle['solution'] = ()
+    puzzle['solution'] = []
     puzzle['status'] = 'unsolved'
 
     # Create a channel for the puzzle