Action: corrected typing hint, __repr__() to quickly see what an Action is all about

Author: randomshinichi

data/action.py

@@ -2,11 +2,14 @@
 from datetime import datetime
 
 class Action:
-    def __init__(self, timestamp: datetime, tx_hash: str, block_number: str, swap_fee: str, denorms: typing.Dict, action_type: str, action: typing.Dict):
+    def __init__(self, timestamp: datetime, tx_hash: str, block_number: str, swap_fee: str, denorms: typing.Dict, action_type: str, action: typing.List):
         self.timestamp = timestamp
         self.tx_hash = tx_hash
         self.block_number = block_number
         self.swap_fee = swap_fee
         self.denorms = denorms
         self.action_type = action_type
         self.action = action
+
+    def __repr__(self):
+        return f'Action: {self.tx_hash} {len(self.action)} {self.action_type}'