minor cleanup

Author: djrtwo

eth/beacon/state_machines/forks/serenity/operations.py

@@ -39,6 +39,6 @@ def process_attestations(state: BeaconState,
         for attestation in block.body.attestations
     )
     state = state.copy(
-        latest_attestations=state.latest_attestations + additional_pending_attestations
+        latest_attestations=state.latest_attestations + additional_pending_attestations,
     )
     return state

eth/beacon/state_machines/forks/serenity/validation.py

@@ -11,6 +11,10 @@
     ZERO_HASH32,
 )
 
+from eth._utils import bls as bls
+from eth.beacon._utils.hash import (
+    hash_eth2,
+)
 
 from eth.beacon.enums import (
     SignatureDomain,
@@ -20,12 +24,6 @@
     get_block_root,
     get_domain,
 )
-from eth._utils import (
-    bls
-)
-from eth.beacon._utils.hash import (
-    hash_eth2,
-)
 from eth.beacon.types.states import BeaconState  # noqa: F401
 from eth.beacon.types.attestations import Attestation  # noqa: F401
 from eth.beacon.types.attestation_data import AttestationData  # noqa: F401

tests/beacon/conftest.py

@@ -64,7 +64,7 @@
 
 @pytest.fixture(scope="session")
 def privkeys():
-    return [int.from_bytes(hash_eth2(str(i).encode('utf-8'))[:4], 'big') for i in range(50)]
+    return [int.from_bytes(hash_eth2(str(i).encode('utf-8'))[:4], 'big') for i in range(100)]
 
 
 @pytest.fixture(scope="session")