PEP8

Was bitten by PEP's 79 versus 80 width.
Decided to fix one more style-failure-that-wasn't-my-fault while I was here - redid the imports on garden.graph.

(Bring on `black`!)

docs/source/conf.py

@@ -235,8 +235,8 @@
     'index', 'Plyer', u'Plyer Documentation',
     u'Kivy Team and other contributors',
     'Plyer',
-    'Plyer is a platform-independent Python API for accessing hardware features'
-    'of various platforms (Android, iOS, macOS, Linux and Windows).',
+    'Plyer is a platform-independent Python API for accessing hardware '
+    'features of various platforms (Android, iOS, macOS, Linux and Windows).',
     'Miscellaneous'
 ), ]
 

examples/accelerometer/using_graph/libs/garden/garden.graph/__init__.py

@@ -47,20 +47,28 @@
 __all__ = ('Graph', 'Plot', 'MeshLinePlot', 'MeshStemPlot')
 
 from math import radians
-from kivy.uix.widget import Widget
-from kivy.uix.label import Label
-from kivy.uix.stencilview import StencilView
-from kivy.properties import (NumericProperty, BooleanProperty,
-    BoundedNumericProperty, StringProperty, ListProperty, ObjectProperty,
-    DictProperty, AliasProperty)
+from math import log10, floor, ceil
+from decimal import Decimal
+
+from kivy import metrics
 from kivy.clock import Clock
+from kivy.event import EventDispatcher
 from kivy.graphics import Mesh, Color
 from kivy.graphics.transformation import Matrix
-from kivy.event import EventDispatcher
 from kivy.lang import Builder
-from kivy import metrics
-from math import log10, floor, ceil
-from decimal import Decimal
+from kivy.properties import (
+    NumericProperty,
+    BooleanProperty,
+    BoundedNumericProperty,
+    StringProperty,
+    ListProperty,
+    ObjectProperty,
+    DictProperty,
+    AliasProperty,
+)
+from kivy.uix.label import Label
+from kivy.uix.stencilview import StencilView
+from kivy.uix.widget import Widget
 
 Builder.load_string('''
 #:kivy 1.1.0