diff --git a/chia/util/full_block_utils.py b/chia/util/full_block_utils.py
index 85d2cbf3c246..bc41e03f8f2a 100644
--- a/chia/util/full_block_utils.py
+++ b/chia/util/full_block_utils.py
@@ -1,8 +1,9 @@
-from typing import Optional, Callable
+from typing import Callable, Optional
 
-from chia.types.blockchain_format.program import SerializedProgram
-from clvm_rs import serialized_length
 from blspy import G1Element, G2Element
+from clvm_rs import serialized_length
+
+from chia.types.blockchain_format.program import SerializedProgram
 
 
 def skip_list(buf: memoryview, skip_item: Callable[[memoryview], memoryview]) -> memoryview:
diff --git a/chia/util/struct_stream.py b/chia/util/struct_stream.py
index e1c6ae42cefe..a674910fbb29 100644
--- a/chia/util/struct_stream.py
+++ b/chia/util/struct_stream.py
@@ -1,8 +1,8 @@
 import io
 import struct
 from typing import Any, BinaryIO, SupportsInt, Type, TypeVar, Union
-from typing_extensions import SupportsIndex, Protocol
 
+from typing_extensions import Protocol, SupportsIndex
 
 _T_StructStream = TypeVar("_T_StructStream", bound="StructStream")
 
diff --git a/tests/block_tools.py b/tests/block_tools.py
index 7b9f95ae6a9c..8cc5e145e1ba 100644
--- a/tests/block_tools.py
+++ b/tests/block_tools.py
@@ -5,7 +5,6 @@
 import random
 import shutil
 import ssl
-import sys
 import tempfile
 import time
 from argparse import Namespace
@@ -323,7 +322,7 @@ async def new_plot(
 
         except KeyboardInterrupt:
             shutil.rmtree(self.temp_dir, ignore_errors=True)
-            sys.exit(1)
+            raise
 
     async def refresh_plots(self):
         self.plot_manager.refresh_parameter.batch_size = (
diff --git a/tests/conftest.py b/tests/conftest.py
index dcd91b3e8008..bd5451b05457 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -2,7 +2,11 @@
 import pytest_asyncio
 import tempfile
 from pathlib import Path
+from typing import Union, Any
 
+from _pytest.runner import CallInfo
+from _pytest.runner import CollectReport
+from _pytest.runner import TestReport
 
 # TODO: tests.setup_nodes (which is also imported by tests.util.blockchain) creates a
 #       global BlockTools at tests.setup_nodes.bt.  This results in an attempt to create
@@ -15,6 +19,16 @@
 #       fixtures avoids the issue.
 
 
+@pytest.hookimpl
+def pytest_exception_interact(
+    node: Union[pytest.Item, pytest.Collector],
+    call: CallInfo[Any],
+    report: Union[CollectReport, TestReport],
+) -> None:
+    if call.excinfo is not None and isinstance(call.excinfo.value, KeyboardInterrupt):
+        pytest.exit("Cancelled by KeyboardInterrupt")
+
+
 @pytest_asyncio.fixture(scope="function", params=[1, 2])
 async def empty_blockchain(request):
     """
diff --git a/tests/util/test_full_block_utils.py b/tests/util/test_full_block_utils.py
index b51170c3f019..2d6c4e8fd872 100644
--- a/tests/util/test_full_block_utils.py
+++ b/tests/util/test_full_block_utils.py
@@ -1,14 +1,13 @@
 import random
+
 import pytest
 
-from chia.util.full_block_utils import generator_from_block
-from chia.types.full_block import FullBlock
-from chia.util.ints import uint128, uint64, uint32, uint8
+from benchmarks.utils import rand_bytes, rand_g1, rand_g2, rand_hash, rand_vdf, rand_vdf_proof, rewards
+from chia.types.blockchain_format.foliage import Foliage, FoliageBlockData, FoliageTransactionBlock, TransactionsInfo
 from chia.types.blockchain_format.pool_target import PoolTarget
-from chia.types.blockchain_format.foliage import Foliage, FoliageTransactionBlock, TransactionsInfo, FoliageBlockData
+from chia.types.blockchain_format.program import SerializedProgram
 from chia.types.blockchain_format.proof_of_space import ProofOfSpace
 from chia.types.blockchain_format.reward_chain_block import RewardChainBlock
-from chia.types.blockchain_format.program import SerializedProgram
 from chia.types.blockchain_format.slots import (
     ChallengeChainSubSlot,
     InfusedChallengeChainSubSlot,
@@ -16,8 +15,9 @@
     SubSlotProofs,
 )
 from chia.types.end_of_slot_bundle import EndOfSubSlotBundle
-
-from benchmarks.utils import rand_hash, rand_bytes, rewards, rand_g1, rand_g2, rand_vdf, rand_vdf_proof
+from chia.types.full_block import FullBlock
+from chia.util.full_block_utils import generator_from_block
+from chia.util.ints import uint8, uint32, uint64, uint128
 
 test_g2s = [rand_g2() for _ in range(10)]
 test_g1s = [rand_g1() for _ in range(10)]