chore: fix style complaints

Author: matejcik

Makefile

@@ -3,6 +3,8 @@ SETUP=$(PYTHON) setup.py
 
 EXCLUDES=.vscode
 
+STYLE_TARGETS=src tests tools *.py
+
 all: build
 
 build:
@@ -39,12 +41,13 @@ clean-test: ## remove test and coverage artifacts
 git-clean:
 	git clean -dfx -e $(EXCLUDES)
 
-style: style_check
-	black .
+style:
+	black $(STYLE_TARGETS)
+	make style_check
 
 style_check:
-	black --check .
-	flake8 src tests tools *.py
-	mypy .
+	black --check $(STYLE_TARGETS)
+	flake8 $(STYLE_TARGETS)
+	mypy $(STYLE_TARGETS)
 
 .PHONY: all build install clean style style_check git-clean clean-build clean-pyc clean-test

setup.cfg

@@ -3,7 +3,9 @@ extend-ignore =
     # E203: Whitespace before ':'
     E203,
     # E501: line too long
-    E501
+    E501,
+    # I900: not listed as requirement
+    I900,
 
 [mypy]
 warn_unreachable = True

setup.py

@@ -1,6 +1,5 @@
 #!/usr/bin/env python3
 from pathlib import Path
-import os
 from setuptools import setup
 
 CWD = Path(__file__).resolve().parent
@@ -13,8 +12,10 @@
     author_email="[email protected]",
     description="Implementation of Bitcoin BIP-0039",
     long_description="\n".join(
-        (CWD / "README.rst").read_text(),
-        (CWD / "CHANGELOG.rst").read_text(),
+        (
+            (CWD / "README.rst").read_text(),
+            (CWD / "CHANGELOG.rst").read_text(),
+        )
     ),
     url="https://github.com/trezor/python-mnemonic",
     packages=["mnemonic"],

src/mnemonic/mnemonic.py

@@ -189,9 +189,7 @@ def to_mnemonic(self, data: bytes) -> str:
         for i in range(len(b) // 11):
             idx = int(b[i * 11 : (i + 1) * 11], 2)
             result.append(self.wordlist[idx])
-        if (
-            self.language == "japanese"
-        ):  # Japanese must be joined by ideographic space.
+        if self.language == "japanese":  # Japanese must be joined by ideographic space.
             result_phrase = u"\u3000".join(result)
         else:
             result_phrase = " ".join(result)

tests/test_mnemonic.py

@@ -29,7 +29,6 @@
 from mnemonic import Mnemonic
 
 
-
 class MnemonicTest(unittest.TestCase):
     def _check_list(self, language: str, vectors: List[str]) -> None:
         mnemo = Mnemonic(language)