I noticed that Axes.errorbar() was being unnecessarily called by
Axes.bar(), due to improper handling of when xerr and yerr are passed as
None (the default). I don't think it was causing any bad behaviour, but
here's the patch nevertheless.
Cheers,
Martin
Index: lib/matplotlib/axes.py
===================================================================
--- lib/matplotlib/axes.py (revision 2528)
+++ lib/matplotlib/axes.py (working copy)
@@ -2477,14 +2477,16 @@
not iterable(edgecolor)):
edgecolor = [edgecolor]*nbars
- if not iterable(yerr):
- yerr = asarray([yerr]*nbars, Float) # Float converts Nones to NANs
- else:
- yerr = asarray(yerr)
- if not iterable(xerr):
- xerr = asarray([xerr]*nbars, Float)
- else:
- xerr = asarray(xerr)
+ if yerr is not None:
+ if not iterable(yerr):
+ yerr = asarray([yerr]*nbars)
+ else:
+ yerr = asarray(yerr)
+ if xerr is not None:
+ if not iterable(xerr):
+ xerr = asarray([xerr]*nbars)
+ else:
+ xerr = asarray(xerr)
if orientation == 'vertical':
lenarg = 'left'
@@ -2496,8 +2498,10 @@
assert len(bottom)==nbars, 'bar() argument \'bottom\' must be len(%s)
or scalar' % lenarg
assert len(color)==nbars, 'bar() argument \'color\' must be len(%s) or
scalar' % lenarg
assert len(edgecolor)==nbars, 'bar() argument \'edgecolor\' must be
len(%s) or scalar' % lenarg
- assert len(yerr)==nbars, 'bar() argument \'yerr\' must be len(%s) or
scalar' % lenarg
- assert len(xerr)==nbars, 'bar() argument \'xerr\' must be len(%s) or
scalar' % lenarg
+ if yerr is not None:
+ assert len(yerr)==nbars, 'bar() argument \'yerr\' must be len(%s)
or scalar' % lenarg
+ if xerr is not None:
+ assert len(xerr)==nbars, 'bar() argument \'xerr\' must be len(%s)
or scalar' % lenarg
patches = []
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