Finish up adding black linting to web3/_utils

Author: kclowes

tox.ini

@@ -64,8 +64,7 @@ basepython=python
 extras=linter
 commands=
     flake8 {toxinidir}/web3 {toxinidir}/ens {toxinidir}/ethpm {toxinidir}/tests --exclude {toxinidir}/ethpm/ethpm-spec
-    black {toxinidir}/ethpm {toxinidir}/web3/auto {toxinidir}/web3/utils --exclude {toxinidir}/ethpm/ethpm-spec --check
-    black {toxinidir}/web3/_utils --exclude {toxinidir}/web3/_utils/module_testing --check
+    black {toxinidir}/ethpm {toxinidir}/web3/auto {toxinidir}/web3/utils {toxinidir}/web3/utils --exclude {toxinidir}/ethpm/ethpm-spec --check
     isort --recursive --check-only --diff {toxinidir}/web3/ {toxinidir}/ens/ {toxinidir}/ethpm/ {toxinidir}/tests/
     mypy -p web3 -p ethpm -p ens --config-file {toxinidir}/mypy.ini
 

web3/_utils/module_testing/__init__.py

@@ -7,7 +7,7 @@
 )
 from .go_ethereum_txpool_module import (  # noqa: F401
     GoEthereumAsyncTxPoolModuleTest,
-    GoEthereumTxPoolModuleTest
+    GoEthereumTxPoolModuleTest,
 )
 from .net_module import (  # noqa: F401
     AsyncNetModuleTest,