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graphs -- bug in DiGraph constructor #6349

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williamstein opened this issue Jun 17, 2009 · 4 comments
Closed

graphs -- bug in DiGraph constructor #6349

williamstein opened this issue Jun 17, 2009 · 4 comments
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@rlmill
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c: graph theory p: minor / 4 t: bug
Milestone
sage-4.1

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@williamstein
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sage: DiGraph(matrix(2,[0,0,-1,1]), format="incidence_matrix")
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Users/wstein/.sage/sage_notebook/worksheets/admin/187/code/29.py", line 7, in <module>
    DiGraph(matrix(_sage_const_2 ,[_sage_const_0 ,_sage_const_0 ,-_sage_const_1 ,_sage_const_1 ]), format="incidence_matrix")
  File "/Users/wstein/s/local/lib/python2.5/site-packages/Jinja-1.2-py2.5-macosx-10.3-i386.egg/", line 1, in <module>
    
  File "/Users/wstein/s/local/lib/python2.5/site-packages/sage/graphs/graph.py", line 9894, in __init__
    raise ValueError(msg + msg2)
TypeError: cannot concatenate 'str' and 'exceptions.AssertionError' objects

Component: graph theory

Author: Robert Miller

Reviewer: William Stein

Merged: sage-4.1.alpha0

Issue created by migration from https://trac.sagemath.org/ticket/6349
@williamstein williamstein added this to the sage-4.1 milestone Jun 17, 2009
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rlmill mannequin commented Jun 17, 2009

Attachment: trac_6349.patch.gz

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rlmill mannequin commented Jun 17, 2009

Author: Robert Miller

@rlmill rlmill mannequin added the s: needs review label Jun 17, 2009
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rlmill mannequin commented Jun 24, 2009

Reviewer: William Stein

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rlmill mannequin commented Jun 24, 2009

Merged: sage-4.1.alpha0

@rlmill rlmill mannequin removed the s: positive review label Jun 24, 2009
@rlmill rlmill mannequin closed this as completed Jun 24, 2009
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