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-rw-r--r--test/functional/test_framework/script.py9
1 files changed, 7 insertions, 2 deletions
diff --git a/test/functional/test_framework/script.py b/test/functional/test_framework/script.py
index 375d6334f7..2fe44010ba 100644
--- a/test/functional/test_framework/script.py
+++ b/test/functional/test_framework/script.py
@@ -26,7 +26,7 @@ def hash160(s):
_opcode_instances = []
class CScriptOp(int):
"""A single script opcode"""
- __slots__ = []
+ __slots__ = ()
@staticmethod
def encode_op_pushdata(d):
@@ -361,8 +361,11 @@ class CScriptTruncatedPushDataError(CScriptInvalidError):
self.data = data
super(CScriptTruncatedPushDataError, self).__init__(msg)
+
# This is used, eg, for blockchain heights in coinbase scripts (bip34)
-class CScriptNum():
+class CScriptNum:
+ __slots__ = ("value",)
+
def __init__(self, d=0):
self.value = d
@@ -393,6 +396,8 @@ class CScript(bytes):
iter(script) however does iterate by opcode.
"""
+ __slots__ = ()
+
@classmethod
def __coerce_instance(cls, other):
# Coerce other into bytes