Syntax cleanup `== None` -> `is None`
diff --git a/Lib/lib-tk/turtle.py b/Lib/lib-tk/turtle.py
index e9dba10..90dadf9 100644
--- a/Lib/lib-tk/turtle.py
+++ b/Lib/lib-tk/turtle.py
@@ -783,7 +783,7 @@
# needs amendment
if not isinstance(self.cv, ScrolledCanvas):
return self.canvwidth, self.canvheight
- if canvwidth is None and canvheight is None and bg is None:
+ if canvwidth is canvheight is bg is None:
return self.cv.canvwidth, self.cv.canvheight
if canvwidth is not None:
self.canvwidth = canvwidth
@@ -999,7 +999,7 @@
>>> mode()
'logo'
"""
- if mode == None:
+ if mode is None:
return self._mode
mode = mode.lower()
if mode not in ["standard", "logo", "world"]:
@@ -1339,7 +1339,7 @@
### repeatedly pressing the up-arrow key,
### consequently drawing a hexagon
"""
- if fun == None:
+ if fun is None:
if key in self._keys:
self._keys.remove(key)
elif key not in self._keys:
@@ -1460,7 +1460,7 @@
def _setmode(self, mode=None):
"""Set turtle-mode to 'standard', 'world' or 'logo'.
"""
- if mode == None:
+ if mode is None:
return self._mode
if mode not in ["standard", "logo", "world"]:
return
@@ -2704,7 +2704,7 @@
>>> turtle.shapesize(5, 5, 12)
>>> turtle.shapesize(outline=8)
"""
- if stretch_wid is None and stretch_len is None and outline == None:
+ if stretch_wid is stretch_len is outline is None:
stretch_wid, stretch_len = self._stretchfactor
return stretch_wid, stretch_len, self._outlinewidth
if stretch_wid is not None: