PEP8 cleanups

Makefile

@@ -50,8 +50,7 @@ install_lint:
 
 lint: $(PY_SPEC_ALL_TARGETS)
 	cd $(PY_SPEC_DIR); . venv/bin/activate; \
-	flake8 --max-line-length=120 ./eth2spec; \
-	flake8 --max-line-length=120 --ignore=F401,F403,F405,F821 ./tests;
+	flake8 --max-line-length=120 ./eth2spec
 
 # "make pyspec" to create the pyspec for all phases.
 pyspec: $(PY_SPEC_ALL_TARGETS)

test_libs/pyspec/eth2spec/test/block_processing/test_process_early_derived_secret_reveal.py

@@ -55,7 +55,7 @@ def test_reveal_from_current_epoch(spec, state):
 # @spec_state_test
 # def test_reveal_from_past_epoch(state):
 #     randao_key_reveal = get_valid_early_derived_secret_reveal(spec, state, spec.get_current_epoch(state) - 1)
-#     
+#
 #     yield from run_early_derived_secret_reveal_processing(spec, state, randao_key_reveal, False)
 
 
@@ -99,7 +99,8 @@ def test_double_reveal(spec, state):
         intermediate_state,
         spec.get_current_epoch(pre_state) + spec.RANDAO_PENALTY_EPOCHS + 1,
     )
-    post_state = dict(run_early_derived_secret_reveal_processing(spec, intermediate_state, randao_key_reveal2, False))['post']
+    res = dict(run_early_derived_secret_reveal_processing(spec, intermediate_state, randao_key_reveal2, False))
+    post_state = res['post']
     yield 'randao_key_reveal', [randao_key_reveal1, randao_key_reveal2]
     yield 'post', post_state
 

test_libs/pyspec/eth2spec/test/helpers/deposits.py

@@ -70,7 +70,7 @@ def prepare_state_and_deposit(spec, state, validator_index, amount, withdrawal_c
         withdrawal_credentials = spec.BLS_WITHDRAWAL_PREFIX_BYTE + spec.hash(pubkey)[1:]
 
     deposit, root, deposit_data_leaves = build_deposit(
-        spec, 
+        spec,
         state,
         deposit_data_leaves,
         pubkey,