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Cleanup: use is not instead of not ... is, etc. #7933

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Merged
QuLogic merged 1 commit into from
Feb 6, 2017
Merged

Cleanup: use is not instead of not ... is, etc. #7933

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10 changes: 5 additions & 5 deletions lib/matplotlib/axes/_axes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4002,16 +4002,16 @@ def scatter(self, x, y, s=None, c=None, marker=None, cmap=None, norm=None,
else:
colors = None # use cmap, norm after collection is created

# Anything in maskargs will be unchanged unless it is the same length
# as x:
maskargs = x, y, s, c, colors, edgecolors, linewidths
# `delete_masked_points` only modifies arguments of the same length as
# `x`.
x, y, s, c, colors, edgecolors, linewidths =\
cbook.delete_masked_points(*maskargs)
cbook.delete_masked_points(
x, y, s, c, colors, edgecolors, linewidths)

scales = s # Renamed for readability below.

# to be API compatible
if marker is None and not (verts is None):
if marker is None and verts is not None:
marker = (verts, 0)
verts = None

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7 changes: 2 additions & 5 deletions lib/matplotlib/cbook/__init__.py
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Expand Up @@ -1497,15 +1497,12 @@ def __iter__(self):
The iterator is invalid if interleaved with calls to join().
"""
self.clean()

class Token:
pass
token = Token()
token = object()

# Mark each group as we come across if by appending a token,
# and don't yield it twice
for group in six.itervalues(self._mapping):
if not group[-1] is token:
if group[-1] is not token:
yield [x() for x in group]
group.append(token)

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2 changes: 1 addition & 1 deletion lib/matplotlib/mlab.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3348,7 +3348,7 @@ def griddata(x, y, z, xi, yi, interp='nn'):

# Remove masked points.
mask = np.ma.getmask(z)
if not (mask is np.ma.nomask):
if mask is not np.ma.nomask:
x = x.compress(~mask)
y = y.compress(~mask)
z = z.compressed()
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