tasks: Python 3.7 does not have Protocol in typing, it's in typing_ex…

…tensions
raiden-network · Aug 30, 2021 · 2563140 · 2563140
1 parent 6dcea1d
commit 2563140
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/scenario_player/tasks/blockchain.py b/scenario_player/tasks/blockchain.py
@@ -1,4 +1,10 @@
-from typing import Any, Dict, List, Protocol, cast
+import sys
+from typing import Any, Dict, List, cast
+
+if sys.version_info >= (3, 8):
+    from typing import Protocol
+else:
+    from typing_extensions import Protocol
 
 import structlog
 from eth_abi.codec import ABICodec