format code via black

.black.cfg

@@ -0,0 +1,21 @@
+[tool.black]
+line-length = 120
+target_version = ['py36']
+include = '\.pyi?$'
+exclude = '''
+
+(
+  /(
+      \.eggs         # exclude a few common directories in the
+    | \.git          # root of the project
+    | \.hg
+    | \.mypy_cache
+    | \.tox
+    | _build
+    | buck-out
+    | build
+    | dist
+    | venv
+  )/
+)
+'''

Makefile

@@ -16,3 +16,10 @@ install:
 
 micropython-install: ${MPYS}
 	cp -R $(OUT)/* /usr/lib/micropython/
+
+clean:
+	find . -name __pycache__ | xargs rm -rf
+	find . -name *.pyc | xargs rm -rf
+
+format:
+	python3 -m black --config=.black.cfg .

debian/changelog

@@ -3,6 +3,7 @@ python-ev3dev2 (2.1.0) UNRELEASED; urgency=medium
   [Daniel Walton]
   * RPyC update docs and make it easier to use
   * use double backticks consistently in docstrings
+  * use double quotes consistently (ran black)
 
   [Matěj Volf]
   * LED animation fix duration None