FIX: add omitted function, import, remove whitespace

astromancer · astromancer · commit 662890a628d3 · 2024-06-13T13:55:16.000+02:00
diff --git a/lib/mpl_toolkits/mplot3d/art3d.py b/lib/mpl_toolkits/mplot3d/art3d.py
@@ -79,16 +79,14 @@
 
 # Base hexagon for creating prisms (HexBar3DCollection).
 # sides are ordered anti-clockwise from left: ['W', 'SW', 'SE', 'E', 'NE', 'NW']
-# autopep8: off
 HEXAGON = np.array([
-    [-2,  1 ],
-    [-2, -1 ],
-    [ 0, -2 ],
-    [ 2, -1 ],
-    [ 2,  1 ],
-    [ 0,  2 ]
+    [-2, 1],
+    [-2, -1],
+    [0, -2],
+    [2, -1],
+    [2, 1],
+    [0, 2]
 ]) / 4
-# autopep8: on
 
 # ---------------------------------------------------------------------------- #
 
@@ -97,6 +95,11 @@ def is_none(*args):
         yield a is None
 
 
+def is_none(*args):
+    for a in args:
+        yield a is None
+
+
 def _norm_angle(a):
     """Return the given angle normalized to -180 < *a* <= 180 degrees."""
     a = (a + 360) % 360
@@ -1195,8 +1198,8 @@ def get_edgecolor(self):
 class Bar3DCollection(Poly3DCollection):
     """
     Bars (rectangular prisms) with constant square cross section, bases located
-    on z-plane at *z0*, aranged in a regular grid at *x*, *y* locations and with
-    height *z - z0*.
+    on z-plane at *z0*, arranged in a regular grid at *x*, *y* locations and
+    with height *z - z0*.
     """
 
     _n_faces = 6
